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_2.lean

26 lines
208 B
Plaintext

import NNG.Metadata
import NNG.MyNat.Addition
Game "NNG"
World "Proposition"
Level 2
Title ""
open MyNat
Introduction
"
"
Statement
""
{P : Prop} : P → P := by
intro p
exact p
Conclusion
"
"