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theorem proved term proof

toInt_zero

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formal statement (Lean)

 313theorem toInt_zero : toInt (0 : LogicInt) = 0 := by

proof body

Term-mode proof.

 314  show toInt (mk LogicNat.zero LogicNat.zero) = 0
 315  rw [toInt_mk]
 316  simp [toNat_zero]
 317

used by (15)

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depends on (8)

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