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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 9062 zeo 9751 fseq1p1m1 10501 seq3val 10897 seqvalcd 10898 hashfzo 11263 hashxp 11267 hashfibclem 11282 wrdval 11307 wrdnval 11335 swrdccat3blem 11511 fsumconst 12221 modfsummod 12225 telfsumo 12233 fprodconst 12387 mulgcd 12793 algcvg 12826 phiprmpw 13000 phisum 13019 strslfv3 13398 resseqnbasd 13427 imasplusg 13629 imasmulr 13630 ismgmid 13697 gzsumshift 14149 pwssnf1o 14211 pws0g 14213 dfrhm2 14461 subrg1 14539 2idlbas 14852 rnascl 15034 psrbagfi 15059 psrlinv 15075 mplbascoe 15082 mplplusgg 15094 uptx 15375 resubmet 15657 ply1termlem 15843 birthdaylem1g 16087 birthdaylem2 16088 lgsval4lem 16130 lgsquadlem2 16197 m1lgs 16204 uspgrf1oedg 16417 |
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