Step
*
1
of Lemma
small-ctrex1-bounds
.....assertion..... 
|small-ctrex1() - (r(23)/r(2 * 10^1143))| ≤ (r1/r(10^1143))
BY
{ TACTIC:(Assert 0 < 10^1143 BY
                EAuto 1) }
1
1. 0 < 10^1143
⊢ |small-ctrex1() - (r(23)/r(2 * 10^1143))| ≤ (r1/r(10^1143))
Latex:
Latex:
.....assertion..... 
|small-ctrex1()  -  (r(23)/r(2  *  10\^{}1143))|  \mleq{}  (r1/r(10\^{}1143))
By
Latex:
TACTIC:(Assert  0  <  10\^{}1143  BY
                            EAuto  1)
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