Irréfutabilité du tiers exclus

2022-05-16 23:41:30 +02:00
parent 97e0ead5fe
commit 3c95807b7b
1 changed files with 13 additions and 0 deletions
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+~~(F \/ ~F)
+intro f.
+cut ~F.
+intro f2.
+cut F \/ ~F.
+assumption.
+right.
+assumption.
+intro f2.
+cut F \/ ~F.
+assumption.
+left.
+assumption.