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Theorem mod-next-square

⊦ ((i * i) * (i + 1) * (i + 1)) % 4 = 0

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 8
Proof steps: 13
Used lemmas: mod-zero-num, modex-odd-neg-01, mod-two-01, modex-odd, mod-two, mod-mult-04, modex,
Used spec theorems:
- Used simplifier rules: