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| Mirrors > Home > ILE Home > Th. List > eqtr4id | Unicode version | ||
| Description: An equality transitivity deduction. (Contributed by NM, 29-Mar-1998.) |
| Ref | Expression |
|---|---|
| eqtr4id.2 |
|
| eqtr4id.1 |
|
| Ref | Expression |
|---|---|
| eqtr4id |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqtr4id.1 |
. 2
| |
| 2 | eqtr4id.2 |
. . 3
| |
| 3 | 2 | eqcomi 2242 |
. 2
|
| 4 | 1, 3 | eqtr2di 2288 |
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-5 1500 ax-gen 1502 ax-4 1563 ax-17 1579 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-cleq 2231 |
| This theorem is used by: iftrue 3645 iffalse 3648 difprsn1 3854 dmmptg 5288 relcoi1 5322 funimacnv 5460 dmmptd 5517 dffv3g 5694 dfimafn 5754 fvco2 5777 dfimafnf 5958 isoini 6027 iotaexel 6046 fvmpopr2d 6228 oprabco 6457 suppcofn 6510 ixpconstg 6993 unfiexmid 7229 undifdc 7235 sbthlemi4 7282 sbthlemi5 7283 sbthlemi6 7284 supval2ti 7341 exmidfodomrlemim 7559 suplocexprlemex 8095 eqneg 9070 zeo 9762 fseq1p1m1 10518 seq3val 10918 seqvalcd 10919 hashfzo 11285 hashxp 11289 hashfibclem 11304 wrdval 11329 wrdnval 11357 swrdccat3blem 11533 fsumconst 12246 modfsummod 12250 telfsumo 12258 fprodconst 12412 mulgcd 12818 algcvg 12851 phiprmpw 13029 phisum 13048 strslfv3 13456 resseqnbasd 13486 imasplusg 13688 imasmulr 13689 ismgmid 13756 gzsumshift 14239 pwssnf1o 14318 pws0g 14320 dfrhm2 14570 subrg1 14648 2idlbas 14961 rnascl 15143 psrbagfi 15168 psrlinv 15194 mplbascoe 15207 mplplusgg 15219 uptx 15500 resubmet 15782 ply1termlem 15968 birthdaylem1g 16225 birthdaylem2 16226 chtqub 16296 lgsval4lem 16335 lgsquadlem2 16402 m1lgs 16409 uspgrf1oedg 16622 |
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