Step
*
2
of Lemma
square-rless-1-iff
1. x : ℝ
2. |x| < r1
⊢ x^2 < r1
BY
{ ((Assert |x|^2 < r1^2 BY EAuto 1) THEN (RWW "rabs-rnexp< rnexp-int exp-one" (-1) THENA Auto)) }
1
1. x : ℝ
2. |x| < r1
3. |x^2| < r1
⊢ x^2 < r1
Latex:
Latex:
1. x : \mBbbR{}
2. |x| < r1
\mvdash{} x\^{}2 < r1
By
Latex:
((Assert |x|\^{}2 < r1\^{}2 BY EAuto 1) THEN (RWW "rabs-rnexp< rnexp-int exp-one" (-1) THENA Auto))
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