Step
*
of Lemma
coprime-mod
∀n:ℕ+. ∀x:ℤ. (CoPrime(n,x)
⇐⇒ CoPrime(n,x mod n))
BY
{ ((UnivCD THENA Auto) THEN (Assert (x mod n) ≡ x mod n BY (BLemma `mod-eqmod` THEN Auto))) }
1
1. n : ℕ+@i
2. x : ℤ@i
3. (x mod n) ≡ x mod n
⊢ CoPrime(n,x)
⇐⇒ CoPrime(n,x mod n)
Latex:
Latex:
\mforall{}n:\mBbbN{}\msupplus{}. \mforall{}x:\mBbbZ{}. (CoPrime(n,x) \mLeftarrow{}{}\mRightarrow{} CoPrime(n,x mod n))
By
Latex:
((UnivCD THENA Auto) THEN (Assert (x mod n) \mequiv{} x mod n BY (BLemma `mod-eqmod` THEN Auto)))
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