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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 7335 exmidfodomrlemim 7553 suplocexprlemex 8089 eqneg 9064 zeo 9755 fseq1p1m1 10511 seq3val 10910 seqvalcd 10911 hashfzo 11277 hashxp 11281 hashfibclem 11296 wrdval 11321 wrdnval 11349 swrdccat3blem 11525 fsumconst 12237 modfsummod 12241 telfsumo 12249 fprodconst 12403 mulgcd 12809 algcvg 12842 phiprmpw 13020 phisum 13039 strslfv3 13447 resseqnbasd 13476 imasplusg 13678 imasmulr 13679 ismgmid 13746 gzsumshift 14198 pwssnf1o 14260 pws0g 14262 dfrhm2 14510 subrg1 14588 2idlbas 14901 rnascl 15083 psrbagfi 15108 psrlinv 15124 mplbascoe 15131 mplplusgg 15143 uptx 15424 resubmet 15706 ply1termlem 15892 birthdaylem1g 16144 birthdaylem2 16145 lgsval4lem 16228 lgsquadlem2 16295 m1lgs 16302 uspgrf1oedg 16515 |
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