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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 5285 relcoi1 5319 funimacnv 5457 dmmptd 5514 dffv3g 5691 dfimafn 5751 fvco2 5774 dfimafnf 5955 isoini 6024 iotaexel 6043 fvmpopr2d 6225 oprabco 6453 suppcofn 6506 ixpconstg 6989 unfiexmid 7225 undifdc 7231 sbthlemi4 7277 sbthlemi5 7278 sbthlemi6 7279 supval2ti 7336 exmidfodomrlemim 7554 suplocexprlemex 8090 eqneg 9065 zeo 9756 fseq1p1m1 10512 seq3val 10912 seqvalcd 10913 hashfzo 11279 hashxp 11283 hashfibclem 11298 wrdval 11323 wrdnval 11351 swrdccat3blem 11527 fsumconst 12240 modfsummod 12244 telfsumo 12252 fprodconst 12406 mulgcd 12812 algcvg 12845 phiprmpw 13023 phisum 13042 strslfv3 13450 resseqnbasd 13480 imasplusg 13682 imasmulr 13683 ismgmid 13750 gzsumshift 14233 pwssnf1o 14295 pws0g 14297 dfrhm2 14545 subrg1 14623 2idlbas 14936 rnascl 15118 psrbagfi 15143 psrlinv 15166 mplbascoe 15173 mplplusgg 15185 uptx 15466 resubmet 15748 ply1termlem 15934 birthdaylem1g 16186 birthdaylem2 16187 chtqub 16257 lgsval4lem 16296 lgsquadlem2 16363 m1lgs 16370 uspgrf1oedg 16583 |
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