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| Description: An equality transitivity inference. |
| Ref | Expression |
|---|---|
| eqtr2.1 |
|
| eqtr2.2 |
|
| Ref | Expression |
|---|---|
| eqtr2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqtr2.1 |
. . 3
| |
| 2 | eqtr2.2 |
. . 3
| |
| 3 | 1, 2 | eqtr 1498 |
. 2
|
| 4 | 3 | eqcomi 1482 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 3eqtrr 1503 3eqtr4r 1509 dfun3 2249 symdif1 2268 dfsn2 2424 prprc1 2456 unidif0 2744 abssexg 2753 epfrc 2939 xpindi 3276 xpindir 3277 dmcnvcnv 3342 rncnvcnv 3343 dfrn4 3498 co01 3515 tz7.44-2 3935 oarec 4202 sbthlem8 4460 mapenlem2 4496 unifiOLD 4570 fiint 4572 fiintOLD 4573 fodomfi 4575 fodomfiOLD 4576 trcl 4655 rankxplim2 4723 eqneg 5806 zeot 6201 seq1seq0t 6545 sqrlem11 6684 crne0 6740 crrecz 6742 ipcn 6790 abslem2i 6908 bcpasc2 6967 binomlem6 7071 isumshft2 7205 ege2lem2 7328 ege2le3lem2 7329 efaddlem6 7343 efaddlem16 7353 efge1 7401 efge1p 7402 efcnlem2 7420 sin01bndlem1 7468 ruclem10 7520 ruclem11 7521 ismeti 7799 0met 7822 cnmetba 7900 remetba 7906 iscau 7933 xplmi 7970 xplmi2 7971 xplm 7972 xpcn 7973 oprcn 7974 bopcnlem3 7980 bopcn 7982 fsumcnlem 7986 abscn 8339 ajfval 8465 ip1ilem 8481 ipasslem10 8495 sincos4thpi 8705 cosh111lem1 8709 pilog 8763 normlem6 8976 dfhnorm2 8983 norm3dif 9009 hhsssh2 9135 occllem1 9168 projlem4 9184 projlem18 9198 pjthlem1 9214 h1de2 9471 spansnj 9586 pjnel 9663 lnopunilem1 9930 lnophmlem2 9937 pjclem1 10118 mdslmd3 10254 atabs 10323 ghomsn 10383 cayleylem3 10406 cmphmp 10507 1cat 10663 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 965 ax-17 973 ax-4 975 ax-5o 977 ax-ext 1462 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-cleq 1472 |