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| Mirrors > Home > ILE Home > Th. List > iftruei | Unicode version | ||
| Description: Inference associated with iftrue 3645. (Contributed by BJ, 7-Oct-2018.) |
| Ref | Expression |
|---|---|
| iftruei.1 |
|
| Ref | Expression |
|---|---|
| iftruei |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iftruei.1 |
. 2
| |
| 2 | iftrue 3645 |
. 2
| |
| 3 | 1, 2 | ax-mp 5 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-if 3639 |
| This theorem is used by: ctmlemr 7449 xnegpnf 10241 xnegmnf 10242 xaddpnf1 10259 xaddpnf2 10260 xaddmnf1 10261 xaddmnf2 10262 pnfaddmnf 10263 mnfaddpnf 10264 iseqf1olemqk 10959 exp0 10995 swrd00g 11437 sumsnf 12195 prodsnf 12378 lcm0val 12862 ennnfonelemj0 13344 ennnfonelem0 13348 mulg0 13981 lgs0 16298 lgs2 16302 2lgs2 16387 1loopgrvd2fi 16712 eupth2fi 16886 peano3nninf 17216 dceqnconst 17277 |
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