6 lines
196 B
Text
6 lines
196 B
Text
import Int.
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axiom PlusComm(a b : Int) : a + b == b + a.
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variable a : Int.
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check (funext (fun x : Int, (PlusComm a x))).
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set_option pp::implicit true.
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check (funext (fun x : Int, (PlusComm a x))).
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