es30
es30
/ gist:093dbe9b69164780fd0e50c7445238db
Created
April 10, 2018 04:22
Logic and Proof, Selected Chapter 9 Exercises
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| -- Exercise 9.4 | |
| section | |
| variable Person : Type | |
| variable shaves : Person → Person → Prop | |
| variable barber : Person | |
| variable h : ∀ x, shaves barber x ↔ ¬ shaves x x | |
| -- Show the following: | |
| example : false := |