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23 lines
374 B
Plaintext
23 lines
374 B
Plaintext
import TestGame.Metadata
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Game "TestGame"
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World "TestWorld"
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Level 8
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Title "Implikation"
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Introduction
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"
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Wenn das Goal von der Form `A → B` ist, kann man mit `intro` annehmen, dass `A` wahr ist
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und das Goal wird zu `B`.
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"
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Statement
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(A B C : Prop) (f : A → B) (g : B → C) : A → C := by
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intro hA
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apply g
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apply f
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assumption
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Tactics intro apply assumption
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