Step
*
of Lemma
rcos-shift-2n-pi
∀x:ℝ. ∀M:ℤ. (rcos(x + (r(M) * 2 * π)) = rcos(x))
BY
{ ((D 0 THENA Auto) THEN Assert ⌜∀n:ℕ. (rcos(x + (r(n) * 2 * π)) = rcos(x))⌝⋅) }
1
.....assertion.....
1. x : ℝ
⊢ ∀n:ℕ. (rcos(x + (r(n) * 2 * π)) = rcos(x))
2
1. x : ℝ
2. ∀n:ℕ. (rcos(x + (r(n) * 2 * π)) = rcos(x))
⊢ ∀M:ℤ. (rcos(x + (r(M) * 2 * π)) = rcos(x))
Latex:
Latex:
\mforall{}x:\mBbbR{}. \mforall{}M:\mBbbZ{}. (rcos(x + (r(M) * 2 * \mpi{})) = rcos(x))
By
Latex:
((D 0 THENA Auto) THEN Assert \mkleeneopen{}\mforall{}n:\mBbbN{}. (rcos(x + (r(n) * 2 * \mpi{})) = rcos(x))\mkleeneclose{}\mcdot{})
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