Step
*
1
1
of Lemma
radd-non-neg
1. x : ℝ@i
2. y : ℝ@i
3. r0 ≤ x@i
4. r0 ≤ y@i
5. (x + r0) ≤ (x + y)
6. r0 ≤ y
⊢ r0 ≤ (x + y)
BY
{ (RWO "radd-zero" (-2) THEN Auto) }
Latex:
Latex:
1. x : \mBbbR{}@i
2. y : \mBbbR{}@i
3. r0 \mleq{} x@i
4. r0 \mleq{} y@i
5. (x + r0) \mleq{} (x + y)
6. r0 \mleq{} y
\mvdash{} r0 \mleq{} (x + y)
By
Latex:
(RWO "radd-zero" (-2) THEN Auto)
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