7d32030729
This PR adds `cbv_eval` attribute that allows to evaluate functions in `cbv` tactic using pre-registered theorems.
12 lines
231 B
Text
12 lines
231 B
Text
module
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set_option cbv.warning false
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@[cbv_opaque] public def f2 (x : Nat) :=
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x + 1
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private axiom myAx : f2 x = x + 1
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@[local cbv_eval] public theorem f2_spec : f2 x = x + 1 := myAx
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example : f2 1 = 2 := by conv => lhs; cbv
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