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Commit 208569fe by Benedikt Becker

### Update examples for recursive destruct of conditionals and matches

parent f8fa9b99
 use list.List use list.Length use int.Int constant x: int predicate p int (**********************) (* Simple destruction *) (**********************) axiom H: if x = 42 then p 1 else p 2 goal g: p 3 use list.List use list.Length use int.Int goal g: p 0 constant l: list int axiom H': match l with axiom H1: match l with | Nil -> p 4 | Cons x y -> p (x+length y) | Cons _ (Cons y Nil) -> p y ... ... @@ -21,19 +24,64 @@ axiom H': match l with | Cons _ (Cons _ (Cons _ _)) -> p 5 end goal g': p 6 goal g1: p 1 (**********************) (* As and or patterns *) (**********************) axiom H'': match l with axiom H2: match l with | Nil -> p 1 | Cons x Nil | Cons _ (Cons x Nil) -> p x | Cons _ (Cons _ _ as l') -> p (length l') | Cons _ (Cons _ _ as l1) -> p (length l1) end goal g'': p 7 goal g2: p 2 axiom H''': match l with | Cons _ (Cons _ _ as l') as l'' -> p (length l'+length l'') axiom H3: match l with | Cons _ (Cons _ _ as l1) as l2 -> p (length l1+length l2) | _ -> p 0 end goal g''': p 8 \ No newline at end of file goal g3: p 3 (*************************) (* Recursive destruction *) (*************************) axiom H4: if p x then (if p (x+1) then p 1 else p 2) else p 3 goal g4: p 4 axiom H5: match l with | Cons x (Cons y _) -> if x = y then p 1 \/ p 2 else p 3 /\ p 4 | _ -> true end (*********************************************************************************) (* Interaction between recursive destruction of conditionals and of implications *) (*********************************************************************************) goal g5: p 5 axiom H6: p 1 -> if p 2 then p 3 else p 4 goal g6: p 6 axiom H7: if p 1 then p 2 -> p 3 else p 4 goal g7: p 7 axiom H8: if p 1 then if p 2 then (p 3 -> p 4) else p 5 else p 6 goal g8: p 8 \ No newline at end of file
 ... ... @@ -14,37 +14,117 @@ ... ...
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