Prop
Prop
$ P \land Q \rightarrow Q \land P : \text{Prop}
bool ≠ Prop
code:lean
#check And -- Prop → Prop → Prop #check Or -- Prop → Prop → Prop #check Implies -- Prop → Prop → Prop variable (p q r : Prop)
#check Implies (And p q) (And q p) -- Prop 確認用
Q. Prop
関連
メモ
調査用
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