Step
*
2
1
1
1
1
of Lemma
rabs-rexp-difference-bound
1. x : ℝ
2. y : ℝ
3. e : {e:ℝ| r0 < e}
4. e^y < (e^x + e)
5. e^y < e^x
6. y < x
7. (e^x - e^y) ≤ (e^x * (x - y))
8. r0 < e
9. x ≤ rmax(x;y)
10. e^x ≤ e^rmax(x;y)
⊢ r0 ≤ e^x
BY
{ (RWO "rexp-positive<" 0 THEN Auto) }
Latex:
Latex:
1. x : \mBbbR{}
2. y : \mBbbR{}
3. e : \{e:\mBbbR{}| r0 < e\}
4. e\^{}y < (e\^{}x + e)
5. e\^{}y < e\^{}x
6. y < x
7. (e\^{}x - e\^{}y) \mleq{} (e\^{}x * (x - y))
8. r0 < e
9. x \mleq{} rmax(x;y)
10. e\^{}x \mleq{} e\^{}rmax(x;y)
\mvdash{} r0 \mleq{} e\^{}x
By
Latex:
(RWO "rexp-positive<" 0 THEN Auto)
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