diff options
| -rw-r--r-- | library/topology/topological-space.tex | 2 | ||||
| -rw-r--r-- | source/Megalodon.hs | 2 | ||||
| -rw-r--r-- | source/Syntax/Concrete.hs | 7 |
3 files changed, 4 insertions, 7 deletions
diff --git a/library/topology/topological-space.tex b/library/topology/topological-space.tex index c40aba4..73b7ec5 100644 --- a/library/topology/topological-space.tex +++ b/library/topology/topological-space.tex @@ -510,5 +510,5 @@ \end{proof} \begin{definition}\label{neighbourhoods} - $\neighbourhoods{x}{X} = \{U\in\opens[X] \mid x\in U\}$. + $\neighbourhoods{x}{X} = \{N\in\pow{\carrier[X]} \mid \exists U\in\opens[X]. x\in U\subseteq N\}$. \end{definition} diff --git a/source/Megalodon.hs b/source/Megalodon.hs index 37479b2..7e75e6d 100644 --- a/source/Megalodon.hs +++ b/source/Megalodon.hs @@ -21,7 +21,7 @@ closure :: [ExprOf VarSymbol] -> ExprOf VarSymbol -> Formula closure asms stmt = contraction (forallClosure mempty (makeConjunction asms `Implies` stmt)) unAsm :: Asm -> Formula -unAsm (Asm phi )= phi +unAsm (Asm phi) = phi unAsm (AsmStruct x sp) = TermSymbol (SymbolPredicate (PredicateNounStruct sp)) [TermVar x] buildBlocks :: Lexicon -> [Block] -> Builder diff --git a/source/Syntax/Concrete.hs b/source/Syntax/Concrete.hs index bad9635..b51b738 100644 --- a/source/Syntax/Concrete.hs +++ b/source/Syntax/Concrete.hs @@ -241,7 +241,7 @@ grammar lexicon@Lexicon{..} = mdo asmLetStruct <- rule $ AsmLetStruct <$> (_let *> var <* _be <* _an) <*> structNounNameless asmLet <- rule $ asmLetNoun <|> asmLetNouns <|> asmLetIn <|> asmLetEq <|> asmLetThe <|> asmLetStruct asmSuppose <- rule $ AsmSuppose <$> (_suppose *> stmt) - asm <- rule $ assumptionList (asmLet <|> asmSuppose) <* _dot + asm <- rule $ andList1_ (asmLet <|> asmSuppose) <* _dot asms <- rule $ concat <$> many asm axiom <- rule $ Axiom <$> asms <* optional _then <*> stmt <* _dot @@ -406,7 +406,7 @@ andList1 item = ((:|) <$> item <*> many (_commaAnd *> item)) -- | Like 'andList1', but drops the information about nonemptiness. andList1_ :: Prod r Text (Located Token) a -> Prod r Text (Located Token) [a] -andList1_ item = toList <$> andList1 item +andList1_ item = NonEmpty.toList <$> andList1 item commaList :: Prod r Text (Located Token) a -> Prod r Text (Located Token) (NonEmpty a) @@ -421,9 +421,6 @@ commaList2 :: Prod r Text (Located Token) a -> Prod r Text (Located Token) (NonE commaList2 item = (:|) <$> item <* _comma <*> commaList_ item -assumptionList :: Prod r Text (Located Token) a -> Prod r Text (Located Token) [a] -assumptionList item = NonEmpty.toList <$> andList1 item - enumerated :: Prod r Text (Located Token) a -> Prod r Text (Located Token) [a] enumerated p = NonEmpty.toList <$> enumerated1 p |