Step
*
2
1
1
of Lemma
rleq-iff-all-rless
.....wf.....
1. x : ℝ
2. y : ℝ
3. ∀e:{e:ℝ| r0 < e} . (x ≤ (y + e))
4. y < x
⊢ (x - y/r(2)) ∈ {e:ℝ| r0 < e}
BY
{ (MemTypeCD THEN Auto) }
1
.....set predicate.....
1. x : ℝ
2. y : ℝ
3. ∀e:{e:ℝ| r0 < e} . (x ≤ (y + e))
4. y < x
⊢ r0 < (x - y/r(2))
Latex:
Latex:
.....wf.....
1. x : \mBbbR{}
2. y : \mBbbR{}
3. \mforall{}e:\{e:\mBbbR{}| r0 < e\} . (x \mleq{} (y + e))
4. y < x
\mvdash{} (x - y/r(2)) \mmember{} \{e:\mBbbR{}| r0 < e\}
By
Latex:
(MemTypeCD THEN Auto)
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