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fix
author soto@cr.ie.u-ryukyu.ac.jp
date Tue, 15 Sep 2020 07:06:29 +0900
parents 73127e0ab57c
children
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_⇒_ : Bool → Bool → Bool
false  ⇒  _ = true
true  ⇒  true = true
true  ⇒  false = false

Axiom : Cond -> PrimComm -> Cond -> Set
Axiom pre comm post = ∀ (env : Env) →  (pre env) ⇒ ( post (comm env)) ≡ true

Tautology : Cond -> Cond -> Set
Tautology pre post = ∀ (env : Env) →  (pre env)  ⇒ (post env) ≡ true