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Theorem three
⊦ m ≠ 0 ∧ n ≠ 0 ∧ m ≠ 1 → (m + n = 3 ↔ m = 2 ∧ n = 1)
Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 4
Proof steps: 11
Used lemmas:
two-01
,
eq-01
,
one-03
,
oz
,
succ
,
c
,
a
,
Used spec theorems:
Used simplifier rules: