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Theorem div-two-mult

⊦ m % 2 = 1 → 2 * m / 2 = m - 1

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 6
Used lemmas: mod-add, mult-div, div-succ-01, mod2-succ, mult-02, mod-eq-02,
Used spec theorems:
- Used simplifier rules: