9 lines
195 B
Text
9 lines
195 B
Text
import data.nat.basic data.prod
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open nat prod
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variable R : nat → nat → Prop
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variable f (a b : nat) (H : R a b) : nat
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axiom Rtrue (a b : nat) : R a b
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check f 1 0 (Rtrue (pr1 (pair 1 0)) 0)
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