e922edfc21
This PR adds propagation rules for `Bool.and`, `Bool.or`, and `Bool.not` to the `grind` tactic.
30 lines
623 B
Text
30 lines
623 B
Text
variable (d : Nat) in
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inductive X : Nat → Prop
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| f {s : Nat} : X s
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| g {s : Nat} : X d → X s
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/--
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error: `grind` failed
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case grind.1
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c : Nat
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q : X c 0
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s : Nat
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h✝ : 0 = s
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h : HEq ⋯ ⋯
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⊢ False
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[grind] Diagnostics
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[facts] Asserted facts
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[prop] X c 0
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[prop] 0 = s
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[prop] HEq ⋯ ⋯
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[eqc] True propositions
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[prop] X c 0
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[prop] X c s
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[eqc] Equivalence classes
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[eqc] {s, 0}
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[grind] Issues
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[issue] #1 other goal(s) were not fully processed due to previous failures, threshold: `(failures := 1)`
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-/
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#guard_msgs (error) in
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example {c : Nat} (q : X c 0) : False := by
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grind [cases X]
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