You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
lean4game/server/nng/NNG/Levels/Proposition/Level_5.lean

27 lines
228 B
Plaintext

import NNG.Metadata
import NNG.MyNat.Addition
Game "NNG"
World "Proposition"
Level 5
Title ""
open MyNat
Introduction
"
"
Statement
""
(P Q : Prop) : P → (Q → P) := by
intro p
intro q
exact p
Conclusion
"
"