6 lines
251 B
Text
6 lines
251 B
Text
variable {f: Fin l} {f₀: Fin 0} (h: l = 0) (h': (h▸f) = f₀)
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example: l = 0 := by simp_all
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example (h'': l ≠ 0): False := by simp_all
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example: l = 0 := by simp[*] at *
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example (h'': l ≠ 0): False := by simp[*] at *
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