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| Mirrors > Home > ILE Home > Th. List > ifbid | Unicode version | ||
| Description: Equivalence deduction for conditional operators. (Contributed by NM, 18-Apr-2005.) |
| Ref | Expression |
|---|---|
| ifbid.1 |
|
| Ref | Expression |
|---|---|
| ifbid |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ifbid.1 |
. 2
| |
| 2 | ifbi 3623 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-11 1552 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-if 3603 |
| This theorem is referenced by: ifbieq1d 3625 ifbieq2d 3627 ifbieq12d 3629 ifandc 3643 ifordc 3644 pw2f1odclem 7003 nnnninf 7304 nnnninf2 7305 nnnninfeq 7306 nninfisollemne 7309 nninfisol 7311 fodjum 7324 fodju0 7325 fodjuomni 7327 fodjumkv 7338 nninfwlporlemd 7350 nninfwlpor 7352 nninfwlpoimlemg 7353 nninfwlpoimlemginf 7354 nninfwlpoim 7357 nninfinfwlpo 7358 xaddval 10053 0tonninf 10674 1tonninf 10675 nninfinf 10677 sumeq1 11882 summodc 11910 zsumdc 11911 fsum3 11914 isumss 11918 sumsplitdc 11959 prodeq1f 12079 zproddc 12106 fprodseq 12110 nninfctlemfo 12577 pcmpt 12882 pcmpt2 12883 pcfac 12889 lgsval 15699 lgsneg 15719 lgsdilem 15722 lgsdir2 15728 lgsdir 15730 bj-charfunbi 16257 2omap 16446 pw1map 16448 subctctexmid 16453 nninfalllem1 16462 nninfsellemdc 16464 nninfself 16467 nninfsellemeq 16468 nninfsellemqall 16469 nninfsellemeqinf 16470 nninfomni 16473 nninffeq 16474 nnnninfex 16476 dceqnconst 16516 dcapnconst 16517 |
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