8b7dc4e03a
Perhaps, we should add an option to disable this new feature. Remark: this commit makes commit46d418aredundant. I'm keeping46d418abecause we may retract this commit in the future.
33 lines
955 B
Text
33 lines
955 B
Text
cases_failure.hlean:11:2: error:invalid 'cases' tactic, unification failed
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auxiliary goal at time of failure
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A : Type,
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z : A,
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b r t l : z = z,
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s : square t b l r,
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e_3 : z = z
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⊢ Π (e_4 : eq.rec t (refl z) = idp) (e_5 : eq.rec (eq.rec b (refl z)) e_3 = idp) (e_6 : eq.rec l (refl z) = idp)
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(e_7 : eq.rec (eq.rec r (refl z)) e_3 = idp),
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eq.rec (eq.rec (eq.rec (eq.rec (eq.rec (eq.rec (eq.rec s (refl z)) (refl z)) e_3) e_4) e_5) e_6)
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e_7 = square.ids →
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unit
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proof state:
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A : Type,
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x y z : A,
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t : x = y,
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b : z = y,
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l : x = z,
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r : y = y,
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s : square t b l r
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⊢ unit
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cases_failure.hlean:13:0: error: don't know how to synthesize placeholder
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A : Type,
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x y z : A,
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t : x = y,
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b : z = y,
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l : x = z,
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r : y = y,
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s : square t b l r
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⊢ unit
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cases_failure.hlean:13:0: error: failed to add declaration 'foo' to environment, value has metavariables
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remark: set 'formatter.hide_full_terms' to false to see the complete term
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?M_1
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