9 lines
445 B
Text
9 lines
445 B
Text
tactic_state_pp.lean:31:0: error: tactic failed, there are unsolved goals
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state:
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My custom goal visualizer
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Goal: ∀ {n_1 : ℕ} (a : α) (a_1 : Vec α n_1),
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(λ (a : ℕ) (w : Vec α a), n = a → v == w → f v ≠ 2) (nat.succ n_1) (Vec.cons a a_1)
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tactic_state_pp.lean:39:0: error: tactic failed, there are unsolved goals
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state:
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My custom goal visualizer
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Goal: ∀ (a : ℕ), (λ (w : ℕ), n = w → 0 < n → succ (pred n) = n) (succ a)
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