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lean4game/server/nng/NNG/Levels/Function/Level_6.lean

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2 years ago
import NNG.Metadata
import NNG.MyNat.Addition
Game "NNG"
World "Function"
Level 6
Title ""
open MyNat
Introduction
"
"
Statement
""
(P Q R : Type) : (P → (Q → R)) → ((P → Q) → (P → R)) := by
intro f
intro h
intro p
have j : Q → R := f p
apply j
apply h
exact p
Conclusion
"
"