25 lines
No EOL
607 B
Text
25 lines
No EOL
607 B
Text
import tactic.
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import Int.
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variable f : Int -> Int -> Bool
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variable P : Int -> Int -> Bool
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axiom Ax1 (x y : Int) (H : P x y) : (f x y)
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theorem T1 (a : Int) : (P a a) => (f a a).
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apply discharge.
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apply Ax1.
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exact.
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done.
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variable b : Int
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axiom Ax2 (x : Int) : (f x b)
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(*
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simple_tac = Repeat(OrElse(imp_tac(), assumption_tac(), apply_tac("Ax2"), apply_tac("Ax1")))
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*)
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theorem T2 (a : Int) : (P a a) => (f a a).
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simple_tac.
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done.
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theorem T3 (a : Int) : (P a a) => (f a a).
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Repeat (OrElse (apply discharge) exact (apply Ax2) (apply Ax1)).
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done.
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print environment 2. |