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Theorem sqrt-isSquare

⊦ isSquare(dec) → sqrt(dec, i) * sqrt(dec, i) = dec

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: 3
Proof steps: 6
Used lemmas: isSquare-square, sqrt-exact-def, isSquare-def,
Used spec theorems:
- decimal-simple-ops/square-sqrt-01
Used simplifier rules:
- decimal-simple-ops/mult-c
- decimal-simple-ops/mult-a