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Why3
why3
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21699e75
Commit
21699e75
authored
Sep 19, 2011
by
Jean-Christophe Filliâtre
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a transitive closure is transitive
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695b4f65
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theories/relations.why
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21699e75
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@@ -93,6 +93,9 @@ theory TransClosure
inductive relT t t =
| BaseTrans : forall x y:t. rel x y -> relT x y
| StepTrans : forall x y z:t. relT x y -> rel y z -> relT x z
lemma relT_transitive:
forall x y z: t. relT x y -> relT y z -> relT x z
end
theory ReflTransClosure
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@@ -101,6 +104,9 @@ theory ReflTransClosure
inductive relTR t t =
| BaseTransRefl : forall x:t. relTR x x
| StepTransRefl : forall x y z:t. relTR x y -> rel y z -> relTR x z
lemma relTR_transitive:
forall x y z: t. relTR x y -> relTR y z -> relTR x z
end
(*
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