| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 6995 unfiexmid 7231 undifdc 7237 sbthlemi4 7284 sbthlemi5 7285 sbthlemi6 7286 supval2ti 7341 exmidfodomrlemim 7559 suplocexprlemex 8095 eqneg 9070 zeo 9761 fseq1p1m1 10517 seq3val 10917 seqvalcd 10918 hashfzo 11284 hashxp 11288 hashfibclem 11303 wrdval 11328 wrdnval 11356 swrdccat3blem 11532 fsumconst 12245 modfsummod 12249 telfsumo 12257 fprodconst 12411 mulgcd 12817 algcvg 12850 phiprmpw 13028 phisum 13047 strslfv3 13455 resseqnbasd 13485 imasplusg 13687 imasmulr 13688 ismgmid 13755 gzsumshift 14238 pwssnf1o 14317 pws0g 14319 dfrhm2 14569 subrg1 14647 2idlbas 14960 rnascl 15142 psrbagfi 15166 psrlinv 15203 mplbas 15223 mplplusgg 15236 uptx 15517 resubmet 15799 ply1termlem 15985 birthdaylem1g 16242 birthdaylem2 16243 chtqub 16313 lgsval4lem 16352 lgsquadlem2 16419 m1lgs 16426 uspgrf1oedg 16639 |
| Copyright terms: Public domain | W3C validator |