967e5f3c25249c779575864692935627004d3f9eChristian Maeder{-# LANGUAGE MultiParamTypeClasses, FunctionalDependencies, DeriveDataTypeable

967e5f3c25249c779575864692935627004d3f9eChristian Maeder , FlexibleInstances, UndecidableInstances, ExistentialQuantification #-}

81d182b21020b815887e9057959228546cf61b6bChristian Maeder{- |

f11f713bebd8e1e623a0a4361065df256033de47Christian MaederModule : $Header$

97018cf5fa25b494adffd7e9b4e87320dae6bf47Christian MaederDescription : interface and class for logic translations

967e5f3c25249c779575864692935627004d3f9eChristian MaederCopyright : (c) Till Mossakowski, Uni Bremen 2002-2006

3f69b6948966979163bdfe8331c38833d5d90ecdChristian MaederLicense : GPLv2 or higher, see LICENSE.txt

967e5f3c25249c779575864692935627004d3f9eChristian MaederMaintainer : till@informatik.uni-bremen.de

89054b2b95a3f92e78324dc852f3d34704e2ca49Christian MaederStability : provisional

f3a94a197960e548ecd6520bb768cb0d547457bbChristian MaederPortability : non-portable (via Logic)

717686b54b9650402e2ebfbaadf433eab8ba5171Christian Maeder

717686b54b9650402e2ebfbaadf433eab8ba5171Christian MaederCentral interface (type class) for logic translations (comorphisms) in Hets

967e5f3c25249c779575864692935627004d3f9eChristian Maeder These are just collections of

967e5f3c25249c779575864692935627004d3f9eChristian Maeder functions between (some of) the types of logics.

967e5f3c25249c779575864692935627004d3f9eChristian Maeder

967e5f3c25249c779575864692935627004d3f9eChristian Maeder References: see Logic.hs

967e5f3c25249c779575864692935627004d3f9eChristian Maeder-}

fd896e2068ad7e50aed66ac18c3720ea7ff2619fChristian Maeder

67d92da5e9610aabad39055a16031154b4dc3748Christian Maedermodule Logic.Comorphism

650bafe7709533bc5f82bb9daf8fa06f431cd963Christian Maeder ( CompComorphism (..)

9cb4aa4ea6685489a38f9b609f5dbe5d37f25bc7Christian Maeder , InclComorphism

7221c71b38c871ce66eee4537cb681d468308dfbChristian Maeder , inclusion_logic

ac19f8695aa1b2d2d1cd1319da2530edd8f46a96Christian Maeder , inclusion_source_sublogic

8b9fda012e5ee53b7b2320c0638896a0ff6e99f3Christian Maeder , inclusion_target_sublogic

e1839fb37a3a2ccd457464cb0dcc5efd466dbe22Christian Maeder , mkInclComorphism

4ef2a978e66e2246ff0b7f00c77deb7aabb28b8eChristian Maeder , mkIdComorphism

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maeder , Comorphism (..)

fd896e2068ad7e50aed66ac18c3720ea7ff2619fChristian Maeder , targetSublogic

967e5f3c25249c779575864692935627004d3f9eChristian Maeder , map_sign

ad187062b0009820118c1b773a232e29b879a2faChristian Maeder , wrapMapTheory

ad270004874ce1d0697fb30d7309f180553bb315Christian Maeder , mkTheoryMapping

fd896e2068ad7e50aed66ac18c3720ea7ff2619fChristian Maeder , AnyComorphism (..)

717686b54b9650402e2ebfbaadf433eab8ba5171Christian Maeder , idComorphism

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder , isIdComorphism

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder , isModelTransportable

967e5f3c25249c779575864692935627004d3f9eChristian Maeder , hasModelExpansion

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maeder , isWeaklyAmalgamable

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maeder , compComorphism

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maeder ) where

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maeder

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maederimport Logic.Logic

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maederimport Logic.Coerce

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maeder

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maederimport Common.AS_Annotation

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maederimport Common.Doc

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maederimport Common.DocUtils

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maederimport Common.Id

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maederimport Common.LibName

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maederimport Common.ProofUtils

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maederimport Common.Result

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maederimport Data.Data

67d92da5e9610aabad39055a16031154b4dc3748Christian Maederimport Data.Maybe

67d92da5e9610aabad39055a16031154b4dc3748Christian Maederimport qualified Data.Set as Set

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder

67d92da5e9610aabad39055a16031154b4dc3748Christian Maederclass (Language cid,

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder Logic lid1 sublogics1

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder basic_spec1 sentence1 symb_items1 symb_map_items1

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder sign1 morphism1 symbol1 raw_symbol1 proof_tree1,

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder Logic lid2 sublogics2

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder basic_spec2 sentence2 symb_items2 symb_map_items2

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder sign2 morphism2 symbol2 raw_symbol2 proof_tree2) =>

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder Comorphism cid

7a879b08ae0ca30006f9be887a73212b07f10204Christian Maeder lid1 sublogics1 basic_spec1 sentence1 symb_items1 symb_map_items1

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder sign1 morphism1 symbol1 raw_symbol1 proof_tree1

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder lid2 sublogics2 basic_spec2 sentence2 symb_items2 symb_map_items2

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder sign2 morphism2 symbol2 raw_symbol2 proof_tree2

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder | cid -> lid1 sublogics1 basic_spec1 sentence1 symb_items1 symb_map_items1

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder sign1 morphism1 symbol1 raw_symbol1 proof_tree1

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder lid2 sublogics2 basic_spec2 sentence2 symb_items2 symb_map_items2

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder sign2 morphism2 symbol2 raw_symbol2 proof_tree2

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder where

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder {- source and target logic and sublogic

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder the source sublogic is the maximal one for which the comorphism works -}

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder sourceLogic :: cid -> lid1

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder sourceSublogic :: cid -> sublogics1

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder sourceSublogic cid = top_sublogic $ sourceLogic cid

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder minSourceTheory :: cid -> Maybe (LibName, String)

7a879b08ae0ca30006f9be887a73212b07f10204Christian Maeder minSourceTheory _ = Nothing

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder targetLogic :: cid -> lid2

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder {- finer information of target sublogics corresponding to source sublogics

b66eb6038bfbcd2fe520d87c151bb4f1f510e985Christian Maeder this function must be partial because mapTheory is partial -}

a89389521ddf76109168a0b339031575aafbd512Christian Maeder mapSublogic :: cid -> sublogics1 -> Maybe sublogics2

a89389521ddf76109168a0b339031575aafbd512Christian Maeder mapSublogic cid _ = Just $ top_sublogic $ targetLogic cid

a89389521ddf76109168a0b339031575aafbd512Christian Maeder {- the translation functions are partial

a89389521ddf76109168a0b339031575aafbd512Christian Maeder because the target may be a sublanguage

a89389521ddf76109168a0b339031575aafbd512Christian Maeder map_basic_spec :: cid -> basic_spec1 -> Result basic_spec2

a89389521ddf76109168a0b339031575aafbd512Christian Maeder cover theoroidal comorphisms as well -}

a89389521ddf76109168a0b339031575aafbd512Christian Maeder map_theory :: cid -> (sign1, [Named sentence1])

a89389521ddf76109168a0b339031575aafbd512Christian Maeder -> Result (sign2, [Named sentence2])

a89389521ddf76109168a0b339031575aafbd512Christian Maeder -- map_theory but also consider sentence marks

a89389521ddf76109168a0b339031575aafbd512Christian Maeder mapMarkedTheory :: cid -> (sign1, [Named sentence1])

a89389521ddf76109168a0b339031575aafbd512Christian Maeder -> Result (sign2, [Named sentence2])

a89389521ddf76109168a0b339031575aafbd512Christian Maeder mapMarkedTheory cid (sig, sens) = do

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder (sig2, sens2) <- map_theory cid (sig, map unmark sens)

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder return (sig2, map (markSen $ language_name cid) sens2)

a89389521ddf76109168a0b339031575aafbd512Christian Maeder map_morphism :: cid -> morphism1 -> Result morphism2

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder map_morphism = mapDefaultMorphism

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder map_sentence :: cid -> sign1 -> sentence1 -> Result sentence2

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder {- also covers semi-comorphisms

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder with no sentence translation

e1839fb37a3a2ccd457464cb0dcc5efd466dbe22Christian Maeder - but these are spans! -}

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder map_sentence = failMapSentence

b66eb6038bfbcd2fe520d87c151bb4f1f510e985Christian Maeder map_symbol :: cid -> sign1 -> symbol1 -> Set.Set symbol2

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder map_symbol = errMapSymbol

5e26bfc8d7b18cf3a3fa7b919b4450fb669f37a5Christian Maeder extractModel :: cid -> sign1 -> proof_tree2

588c0c022a0f4e129a89c3bc569daf6a835e182dChristian Maeder -> Result (sign1, [Named sentence1])

588c0c022a0f4e129a89c3bc569daf6a835e182dChristian Maeder extractModel cid _ _ = fail

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder $ "extractModel not implemented for comorphism "

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder ++ language_name cid

67086e0fe40a985c5e8a3cf50e611f43234580c2Christian Maeder -- properties of comorphisms

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder is_model_transportable :: cid -> Bool

5e26bfc8d7b18cf3a3fa7b919b4450fb669f37a5Christian Maeder {- a comorphism (\phi, \alpha, \beta) is model-transportable

e7ce154edb906685b3fa7f6c0a764e18a4658068Christian Maeder if for any signature \Sigma,

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder any \Sigma-model M and any \phi(\Sigma)-model N

67086e0fe40a985c5e8a3cf50e611f43234580c2Christian Maeder for any isomorphism h : \beta_\Sigma(N) -> M

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder there exists an isomorphism h': N -> M' such that \beta_\Sigma(h') = h -}

67086e0fe40a985c5e8a3cf50e611f43234580c2Christian Maeder is_model_transportable _ = False

67086e0fe40a985c5e8a3cf50e611f43234580c2Christian Maeder has_model_expansion :: cid -> Bool

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder has_model_expansion _ = False

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder is_weakly_amalgamable :: cid -> Bool

67086e0fe40a985c5e8a3cf50e611f43234580c2Christian Maeder is_weakly_amalgamable _ = False

67086e0fe40a985c5e8a3cf50e611f43234580c2Christian Maeder constituents :: cid -> [String]

588c0c022a0f4e129a89c3bc569daf6a835e182dChristian Maeder constituents cid = [language_name cid]

717686b54b9650402e2ebfbaadf433eab8ba5171Christian Maeder isInclusionComorphism :: cid -> Bool

717686b54b9650402e2ebfbaadf433eab8ba5171Christian Maeder isInclusionComorphism _ = False

d48085f765fca838c1d972d2123601997174583dChristian Maeder

d48085f765fca838c1d972d2123601997174583dChristian MaedertargetSublogic :: Comorphism cid

717686b54b9650402e2ebfbaadf433eab8ba5171Christian Maeder lid1 sublogics1 basic_spec1 sentence1 symb_items1 symb_map_items1

d48085f765fca838c1d972d2123601997174583dChristian Maeder sign1 morphism1 symbol1 raw_symbol1 proof_tree1

d48085f765fca838c1d972d2123601997174583dChristian Maeder lid2 sublogics2 basic_spec2 sentence2 symb_items2 symb_map_items2

588c0c022a0f4e129a89c3bc569daf6a835e182dChristian Maeder sign2 morphism2 symbol2 raw_symbol2 proof_tree2

d48085f765fca838c1d972d2123601997174583dChristian Maeder => cid -> sublogics2

717686b54b9650402e2ebfbaadf433eab8ba5171Christian MaedertargetSublogic cid = fromMaybe (top_sublogic $ targetLogic cid)

717686b54b9650402e2ebfbaadf433eab8ba5171Christian Maeder $ mapSublogic cid $ sourceSublogic cid

e7ce154edb906685b3fa7f6c0a764e18a4658068Christian Maeder

b66eb6038bfbcd2fe520d87c151bb4f1f510e985Christian Maeder-- | this function is based on 'map_theory' using no sentences as input

b66eb6038bfbcd2fe520d87c151bb4f1f510e985Christian Maedermap_sign :: Comorphism cid

b66eb6038bfbcd2fe520d87c151bb4f1f510e985Christian Maeder lid1 sublogics1 basic_spec1 sentence1 symb_items1 symb_map_items1

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder sign1 morphism1 symbol1 raw_symbol1 proof_tree1

b66eb6038bfbcd2fe520d87c151bb4f1f510e985Christian Maeder lid2 sublogics2 basic_spec2 sentence2 symb_items2 symb_map_items2

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder sign2 morphism2 symbol2 raw_symbol2 proof_tree2

b66eb6038bfbcd2fe520d87c151bb4f1f510e985Christian Maeder => cid -> sign1 -> Result (sign2, [Named sentence2])

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maedermap_sign cid sign = wrapMapTheory cid (sign, [])

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder

b66eb6038bfbcd2fe520d87c151bb4f1f510e985Christian MaedermapDefaultMorphism :: Comorphism cid

b66eb6038bfbcd2fe520d87c151bb4f1f510e985Christian Maeder lid1 sublogics1 basic_spec1 sentence1 symb_items1 symb_map_items1

67d92da5e9610aabad39055a16031154b4dc3748Christian Maeder sign1 morphism1 symbol1 raw_symbol1 proof_tree1

b66eb6038bfbcd2fe520d87c151bb4f1f510e985Christian Maeder lid2 sublogics2 basic_spec2 sentence2 symb_items2 symb_map_items2

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder sign2 morphism2 symbol2 raw_symbol2 proof_tree2

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder => cid -> morphism1 -> Result morphism2

1a75698c909ad515d59c76e65bd783f015c21c4dChristian MaedermapDefaultMorphism cid mor = do

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder (sig1, _) <- map_sign cid $ dom mor

f11f713bebd8e1e623a0a4361065df256033de47Christian Maeder (sig2, _) <- map_sign cid $ cod mor

0a8ea95bcf0e3f84fed0b725c049ec2a956a4a28Christian Maeder inclusion (targetLogic cid) sig1 sig2

967e5f3c25249c779575864692935627004d3f9eChristian Maeder

18b513ff41708f24e1a7407f36b719add813ffeaChristian MaederfailMapSentence :: Comorphism cid

dedabc954aa15f6ad0764472a9434dc6dafe3db2Christian Maeder lid1 sublogics1 basic_spec1 sentence1 symb_items1 symb_map_items1

e1839fb37a3a2ccd457464cb0dcc5efd466dbe22Christian Maeder sign1 morphism1 symbol1 raw_symbol1 proof_tree1

588c0c022a0f4e129a89c3bc569daf6a835e182dChristian Maeder lid2 sublogics2 basic_spec2 sentence2 symb_items2 symb_map_items2

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder sign2 morphism2 symbol2 raw_symbol2 proof_tree2

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder => cid -> sign1 -> sentence1 -> Result sentence2

e1839fb37a3a2ccd457464cb0dcc5efd466dbe22Christian MaederfailMapSentence cid _ _ =

a89e661aad28f1b39f4fc9f9f9a4d46074234123Christian Maeder fail $ "Unsupported sentence translation " ++ show cid

58b5ac21d1c88344246aaedab0c0bdc7b759d7c6Christian Maeder

58b5ac21d1c88344246aaedab0c0bdc7b759d7c6Christian MaedererrMapSymbol :: Comorphism cid

58b5ac21d1c88344246aaedab0c0bdc7b759d7c6Christian Maeder lid1 sublogics1 basic_spec1 sentence1 symb_items1 symb_map_items1

58b5ac21d1c88344246aaedab0c0bdc7b759d7c6Christian Maeder sign1 morphism1 symbol1 raw_symbol1 proof_tree1

58b5ac21d1c88344246aaedab0c0bdc7b759d7c6Christian Maeder lid2 sublogics2 basic_spec2 sentence2 symb_items2 symb_map_items2

f2ee9fc53048ea92bad79e3f5d292d83efd7f8beMihai Codescu sign2 morphism2 symbol2 raw_symbol2 proof_tree2

58b5ac21d1c88344246aaedab0c0bdc7b759d7c6Christian Maeder => cid -> sign1 -> symbol1 -> Set.Set symbol2

81d182b21020b815887e9057959228546cf61b6bChristian MaedererrMapSymbol cid _ _ = error $ "no symbol mapping for " ++ show cid

58b5ac21d1c88344246aaedab0c0bdc7b759d7c6Christian Maeder

242397ba0f1cc490e892130bf0df239deeecf5daChristian Maeder-- | use this function instead of 'mapMarkedTheory'

2e9985cd67e4f2414becb670ef33b8f16513e41dChristian MaederwrapMapTheory :: Comorphism cid

242397ba0f1cc490e892130bf0df239deeecf5daChristian Maeder lid1 sublogics1 basic_spec1 sentence1 symb_items1 symb_map_items1

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maeder sign1 morphism1 symbol1 raw_symbol1 proof_tree1

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maeder lid2 sublogics2 basic_spec2 sentence2 symb_items2 symb_map_items2

58b5ac21d1c88344246aaedab0c0bdc7b759d7c6Christian Maeder sign2 morphism2 symbol2 raw_symbol2 proof_tree2

58b5ac21d1c88344246aaedab0c0bdc7b759d7c6Christian Maeder => cid -> (sign1, [Named sentence1])

46111e8a73bc638bbd49d93d8b2f0032181a67bbChristian Maeder -> Result (sign2, [Named sentence2])

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian MaederwrapMapTheory cid (sign, sens) =

58b5ac21d1c88344246aaedab0c0bdc7b759d7c6Christian Maeder let res = mapMarkedTheory cid (sign, sens)

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maeder lid1 = sourceLogic cid

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maeder thDoc = show (vcat $ pretty sign : map (print_named lid1) sens)

2e9985cd67e4f2414becb670ef33b8f16513e41dChristian Maeder in

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder if isIdComorphism $ Comorphism cid then res else case sourceSublogic cid of

588c0c022a0f4e129a89c3bc569daf6a835e182dChristian Maeder sub -> case minSublogic sign of

58b5ac21d1c88344246aaedab0c0bdc7b759d7c6Christian Maeder sigLog -> case foldl lub sigLog

ad187062b0009820118c1b773a232e29b879a2faChristian Maeder $ map (minSublogic . sentence) sens of

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder senLog ->

ad187062b0009820118c1b773a232e29b879a2faChristian Maeder if isSubElem senLog sub

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maeder then res

58b5ac21d1c88344246aaedab0c0bdc7b759d7c6Christian Maeder else Result

dedabc954aa15f6ad0764472a9434dc6dafe3db2Christian Maeder [ Diag Hint thDoc nullRange

bfa9e03532243ceb487f0384d0f6a447f1ce7670Till Mossakowski , Diag Error

7221c71b38c871ce66eee4537cb681d468308dfbChristian Maeder ("for '" ++ language_name cid ++

7221c71b38c871ce66eee4537cb681d468308dfbChristian Maeder "' expected sublogic '" ++

18b513ff41708f24e1a7407f36b719add813ffeaChristian Maeder sublogicName sub ++

588c0c022a0f4e129a89c3bc569daf6a835e182dChristian Maeder "'\n but found sublogic '" ++

842eedc62639561781b6c33533d1949693ef6cc5Christian Maeder sublogicName senLog ++

42c01284bba8d7c8d995c8dfb96ace57d28ed1bcTill Mossakowski "' with signature sublogic '" ++

842eedc62639561781b6c33533d1949693ef6cc5Christian Maeder sublogicName sigLog ++ "'") nullRange] Nothing

842eedc62639561781b6c33533d1949693ef6cc5Christian Maeder

588c0c022a0f4e129a89c3bc569daf6a835e182dChristian MaedermkTheoryMapping :: Monad m => (sign1 -> m (sign2, [Named sentence2]))

588c0c022a0f4e129a89c3bc569daf6a835e182dChristian Maeder -> (sign1 -> sentence1 -> m sentence2)

588c0c022a0f4e129a89c3bc569daf6a835e182dChristian Maeder -> (sign1, [Named sentence1])

842eedc62639561781b6c33533d1949693ef6cc5Christian Maeder -> m (sign2, [Named sentence2])

bfa9e03532243ceb487f0384d0f6a447f1ce7670Till MossakowskimkTheoryMapping mapSig mapSen (sign, sens) = do

967e5f3c25249c779575864692935627004d3f9eChristian Maeder (sign', sens') <- mapSig sign

967e5f3c25249c779575864692935627004d3f9eChristian Maeder sens'' <- mapM (mapNamedM (mapSen sign) . unmark) sens

f2ee9fc53048ea92bad79e3f5d292d83efd7f8beMihai Codescu return (sign', nameAndDisambiguate

967e5f3c25249c779575864692935627004d3f9eChristian Maeder $ map (markSen "SignatureProperty") sens' ++ sens'')

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maederdata InclComorphism lid sublogics = InclComorphism

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder { inclusion_logic :: lid

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder , inclusion_source_sublogic :: sublogics

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder , inclusion_target_sublogic :: sublogics }

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder deriving (Show, Typeable, Data)

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder-- | construction of an identity comorphism

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian MaedermkIdComorphism :: (Logic lid sublogics

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder basic_spec sentence symb_items symb_map_items

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder sign morphism symbol raw_symbol proof_tree) =>

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder lid -> sublogics -> InclComorphism lid sublogics

967e5f3c25249c779575864692935627004d3f9eChristian MaedermkIdComorphism lid sub = InclComorphism

967e5f3c25249c779575864692935627004d3f9eChristian Maeder { inclusion_logic = lid

ad187062b0009820118c1b773a232e29b879a2faChristian Maeder , inclusion_source_sublogic = sub

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder , inclusion_target_sublogic = sub }

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder-- | construction of an inclusion comorphism

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian MaedermkInclComorphism :: (Logic lid sublogics

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder basic_spec sentence symb_items symb_map_items

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder sign morphism symbol raw_symbol proof_tree,

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder Monad m) =>

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder lid -> sublogics -> sublogics

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder -> m (InclComorphism lid sublogics)

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian MaedermkInclComorphism lid srcSub trgSub =

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder if isSubElem srcSub trgSub

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder then return InclComorphism

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder { inclusion_logic = lid

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder , inclusion_source_sublogic = srcSub

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder , inclusion_target_sublogic = trgSub }

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder else fail ("mkInclComorphism: first sublogic must be a " ++

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder "subElem of the second sublogic")

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maederinstance (Language lid, Eq sublogics, Show sublogics, SublogicName sublogics)

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder => Language (InclComorphism lid sublogics) where

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder language_name (InclComorphism lid sub_src sub_trg) =

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder let sblName = sublogicName sub_src

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder lname = language_name lid

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder in if sub_src == sub_trg

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder then "id_" ++ lname ++

ad187062b0009820118c1b773a232e29b879a2faChristian Maeder if null sblName then "" else '.' : sblName

ad187062b0009820118c1b773a232e29b879a2faChristian Maeder else "incl_" ++ lname ++ ':'

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder : sblName ++ "->" ++ sublogicName sub_trg

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maederinstance Logic lid sublogics

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder basic_spec sentence symb_items symb_map_items

ad187062b0009820118c1b773a232e29b879a2faChristian Maeder sign morphism symbol raw_symbol proof_tree =>

ad187062b0009820118c1b773a232e29b879a2faChristian Maeder Comorphism (InclComorphism lid sublogics)

ad187062b0009820118c1b773a232e29b879a2faChristian Maeder lid sublogics

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder basic_spec sentence symb_items symb_map_items

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder sign morphism symbol raw_symbol proof_tree

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder lid sublogics

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder basic_spec sentence symb_items symb_map_items

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder sign morphism symbol raw_symbol proof_tree

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder where

9659c509ce5e78adc51d7b02a76274eddcba9338Christian Maeder sourceLogic = inclusion_logic

9659c509ce5e78adc51d7b02a76274eddcba9338Christian Maeder targetLogic = inclusion_logic

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder sourceSublogic = inclusion_source_sublogic

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder mapSublogic cid subl =

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder if isSubElem subl $ inclusion_source_sublogic cid

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder then Just subl

9659c509ce5e78adc51d7b02a76274eddcba9338Christian Maeder else Nothing

9659c509ce5e78adc51d7b02a76274eddcba9338Christian Maeder map_theory _ = return

551af0e4ba6d96bb24f3555f3b30ed648e22e34aChristian Maeder map_morphism _ = return

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder map_sentence _ _ = return

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder map_symbol _ _ = Set.singleton

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder constituents cid =

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder if inclusion_source_sublogic cid

83814002b4922114cbe7e9ba728472a0bf44aac5Christian Maeder == inclusion_target_sublogic cid

83814002b4922114cbe7e9ba728472a0bf44aac5Christian Maeder then []

a95f5379cabb30d3beb0545002cf50e9e4fc2c86Christian Maeder else [language_name cid]

97ee7048e63953c5617342ce38c30cbcb35cc0beChristian Maeder is_model_transportable _ = True

97ee7048e63953c5617342ce38c30cbcb35cc0beChristian Maeder has_model_expansion _ = True

b66eb6038bfbcd2fe520d87c151bb4f1f510e985Christian Maeder is_weakly_amalgamable _ = True

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder isInclusionComorphism _ = True

b66eb6038bfbcd2fe520d87c151bb4f1f510e985Christian Maeder

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maederdata CompComorphism cid1 cid2 = CompComorphism cid1 cid2

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder deriving (Show, Typeable, Data)

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maederinstance (Language cid1, Language cid2)

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder => Language (CompComorphism cid1 cid2) where

588c0c022a0f4e129a89c3bc569daf6a835e182dChristian Maeder language_name (CompComorphism cid1 cid2) =

b66eb6038bfbcd2fe520d87c151bb4f1f510e985Christian Maeder language_name cid1 ++ ";" ++ language_name cid2

2dfc7b04f2db681992ca04175f2beb0f127c9844Christian Maeder

2dfc7b04f2db681992ca04175f2beb0f127c9844Christian Maederinstance (Comorphism cid1

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder lid1 sublogics1 basic_spec1 sentence1 symb_items1 symb_map_items1

dedabc954aa15f6ad0764472a9434dc6dafe3db2Christian Maeder sign1 morphism1 symbol1 raw_symbol1 proof_tree1

ad187062b0009820118c1b773a232e29b879a2faChristian Maeder lid2 sublogics2 basic_spec2 sentence2 symb_items2 symb_map_items2

ad187062b0009820118c1b773a232e29b879a2faChristian Maeder sign2 morphism2 symbol2 raw_symbol2 proof_tree2,

588c0c022a0f4e129a89c3bc569daf6a835e182dChristian Maeder Comorphism cid2

1a75698c909ad515d59c76e65bd783f015c21c4dChristian Maeder lid4 sublogics4 basic_spec4 sentence4 symb_items4 symb_map_items4

588c0c022a0f4e129a89c3bc569daf6a835e182dChristian Maeder sign4 morphism4 symbol4 raw_symbol4 proof_tree4

ad187062b0009820118c1b773a232e29b879a2faChristian Maeder lid3 sublogics3 basic_spec3 sentence3 symb_items3 symb_map_items3

07b72edb610ee53b4832d132e96b0a3d8423f8ebChristian Maeder sign3 morphism3 symbol3 raw_symbol3 proof_tree3)

=> Comorphism (CompComorphism cid1 cid2)

lid1 sublogics1 basic_spec1 sentence1 symb_items1 symb_map_items1

sign1 morphism1 symbol1 raw_symbol1 proof_tree1

lid3 sublogics3 basic_spec3 sentence3 symb_items3 symb_map_items3

sign3 morphism3 symbol3 raw_symbol3 proof_tree3 where

sourceLogic (CompComorphism cid1 _) =

sourceLogic cid1

targetLogic (CompComorphism _ cid2) =

targetLogic cid2

sourceSublogic (CompComorphism cid1 _) =

sourceSublogic cid1

mapSublogic (CompComorphism cid1 cid2) sl =

mapSublogic cid1 sl >>=

mapSublogic cid2 .

forceCoerceSublogic (targetLogic cid1) (sourceLogic cid2)

map_sentence (CompComorphism cid1 cid2) si1 se1 =

do (si2, _) <- map_sign cid1 si1

se2 <- map_sentence cid1 si1 se1

(si2', se2') <- coerceBasicTheory

(targetLogic cid1) (sourceLogic cid2)

"Mapping sentence along comorphism" (si2, [makeNamed "" se2])

case se2' of

[x] -> map_sentence cid2 si2' $ sentence x

_ -> error "CompComorphism.map_sentence"

map_theory (CompComorphism cid1 cid2) ti1 =

do ti2 <- map_theory cid1 ti1

ti2' <- coerceBasicTheory (targetLogic cid1) (sourceLogic cid2)

"Mapping theory along comorphism" ti2

wrapMapTheory cid2 ti2'

map_morphism (CompComorphism cid1 cid2) m1 =

do m2 <- map_morphism cid1 m1

m3 <- coerceMorphism (targetLogic cid1) (sourceLogic cid2)

"Mapping signature morphism along comorphism" m2

map_morphism cid2 m3

map_symbol (CompComorphism cid1 cid2) sig1 = let

th = map_sign cid1 sig1 in

case maybeResult th of

Nothing -> error "failed translating signature"

Just (sig2', _) -> let

th2 = coerceBasicTheory

(targetLogic cid1) (sourceLogic cid2)

"Mapping symbol along comorphism" (sig2', [])

in case maybeResult th2 of

Nothing -> error "failed coercing"

Just (sig2, _) ->

\ s1 ->

let mycast = coerceSymbol (targetLogic cid1) (sourceLogic cid2)

in Set.unions

(map (map_symbol cid2 sig2 . mycast)

(Set.toList (map_symbol cid1 sig1 s1)))

extractModel (CompComorphism cid1 cid2) sign pt3 =

let lid1 = sourceLogic cid1

lid3 = sourceLogic cid2

in if language_name lid1 == language_name lid3 then do

bTh1 <- map_sign cid1 sign

(sign1, _) <-

coerceBasicTheory (targetLogic cid1) lid3 "extractModel1" bTh1

bTh2 <- extractModel cid2 sign1 pt3

coerceBasicTheory lid3 lid1 "extractModel2" bTh2

else fail $ "extractModel not implemented for comorphism composition with "

++ language_name cid1

constituents (CompComorphism cid1 cid2) =

constituents cid1 ++ constituents cid2

is_model_transportable (CompComorphism cid1 cid2) =

is_model_transportable cid1 && is_model_transportable cid2

has_model_expansion (CompComorphism cid1 cid2) =

has_model_expansion cid1 && has_model_expansion cid2

is_weakly_amalgamable (CompComorphism cid1 cid2) =

is_weakly_amalgamable cid1 && is_weakly_amalgamable cid2

isInclusionComorphism (CompComorphism cid1 cid2) =

isInclusionComorphism cid1 && isInclusionComorphism cid2

-- * Comorphisms and existential types for the logic graph

-- | Existential type for comorphisms

data AnyComorphism = forall cid lid1 sublogics1

basic_spec1 sentence1 symb_items1 symb_map_items1

sign1 morphism1 symbol1 raw_symbol1 proof_tree1

lid2 sublogics2

basic_spec2 sentence2 symb_items2 symb_map_items2

sign2 morphism2 symbol2 raw_symbol2 proof_tree2 .

Comorphism cid

lid1 sublogics1 basic_spec1 sentence1

symb_items1 symb_map_items1

sign1 morphism1 symbol1 raw_symbol1 proof_tree1

lid2 sublogics2 basic_spec2 sentence2

symb_items2 symb_map_items2

sign2 morphism2 symbol2 raw_symbol2 proof_tree2 =>

Comorphism cid deriving Typeable -- used for GTheory

instance Eq AnyComorphism where

a == b = compare a b == EQ

instance Ord AnyComorphism where

compare (Comorphism cid1) (Comorphism cid2) = compare

(language_name cid1, constituents cid1)

(language_name cid2, constituents cid2)

-- maybe needs to be refined, using comorphism translations?

instance Show AnyComorphism where

show (Comorphism cid) = language_name cid

++ " : " ++ language_name (sourceLogic cid)

++ " -> " ++ language_name (targetLogic cid)

instance Pretty AnyComorphism where

pretty = text . show

-- | compute the identity comorphism for a logic

idComorphism :: AnyLogic -> AnyComorphism

idComorphism (Logic lid) = Comorphism (mkIdComorphism lid (top_sublogic lid))

-- | Test whether a comporphism is the identity

isIdComorphism :: AnyComorphism -> Bool

isIdComorphism (Comorphism cid) = null $ constituents cid

-- * Properties of comorphisms

-- | Test whether a comorphism is model-transportable

isModelTransportable :: AnyComorphism -> Bool

isModelTransportable (Comorphism cid) = is_model_transportable cid

-- | Test whether a comorphism has model expansion

hasModelExpansion :: AnyComorphism -> Bool

hasModelExpansion (Comorphism cid) = has_model_expansion cid

-- | Test whether a comorphism is weakly amalgamable

isWeaklyAmalgamable :: AnyComorphism -> Bool

isWeaklyAmalgamable (Comorphism cid) = is_weakly_amalgamable cid

-- | Compose comorphisms

compComorphism :: Monad m => AnyComorphism -> AnyComorphism -> m AnyComorphism

compComorphism (Comorphism cid1) (Comorphism cid2) =

let l1 = targetLogic cid1

l2 = sourceLogic cid2

msg = "ogic mismatch in composition of " ++ language_name cid1

++ " and " ++ language_name cid2

in

if language_name l1 == language_name l2 then

if isSubElem (forceCoerceSublogic l1 l2 $ targetSublogic cid1)

$ sourceSublogic cid2

then return $ Comorphism (CompComorphism cid1 cid2)

else fail $ "Subl" ++ msg ++ " (Expected sublogic "

++ sublogicName (sourceSublogic cid2)

++ " but found sublogic "

++ sublogicName (targetSublogic cid1) ++ ")"

else fail $ 'L' : msg ++ " (Expected logic "

++ language_name l2

++ " but found logic "

++ language_name l1 ++ ")"