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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 10247 xnegmnf 10248 xaddpnf1 10265 xaddpnf2 10266 xaddmnf1 10267 xaddmnf2 10268 pnfaddmnf 10269 mnfaddpnf 10270 iseqf1olemqk 10965 exp0 11001 swrd00g 11443 sumsnf 12201 prodsnf 12384 lcm0val 12868 ennnfonelemj0 13350 ennnfonelem0 13354 mulg0 13987 lgs0 16337 lgs2 16341 2lgs2 16426 1loopgrvd2fi 16751 eupth2fi 16925 peano3nninf 17256 dceqnconst 17317 |
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