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31 lines
353 B
Plaintext
31 lines
353 B
Plaintext
2 years ago
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import NNG.Metadata
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import NNG.MyNat.Addition
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Game "NNG"
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World "Proposition"
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Level 3
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Title ""
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open MyNat
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Introduction
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"
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"
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Statement
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""
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(P Q R S T U: Prop) (p : P) (h : P → Q) (i : Q → R)
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(j : Q → T) (k : S → T) (l : T → U) : U := by
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have q := h p
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have t := j q
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have u := l t
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exact u
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DisabledTactic apply
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Conclusion
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"
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"
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