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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 7454 xnegpnf 10246 xnegmnf 10247 xaddpnf1 10264 xaddpnf2 10265 xaddmnf1 10266 xaddmnf2 10267 pnfaddmnf 10268 mnfaddpnf 10269 iseqf1olemqk 10964 exp0 11000 swrd00g 11442 sumsnf 12200 prodsnf 12383 lcm0val 12867 ennnfonelemj0 13349 ennnfonelem0 13353 mulg0 13986 mvridfi 15217 lgs0 16354 lgs2 16358 2lgs2 16443 1loopgrvd2fi 16768 eupth2fi 16942 peano3nninf 17273 dceqnconst 17334 |
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