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| Description: Equality theorem for operation value. |
| Ref | Expression |
|---|---|
| opreq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fveq1 4680 |
. 2
| |
| 2 | df-opr 4886 |
. 2
| |
| 3 | df-opr 4886 |
. 2
| |
| 4 | 1, 2, 3 | 3eqtr4g 1953 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: opreqi 4896 opreqd 4899 hboprdOLD 4906 mapxpen 5589 seq1val 7725 ismet 9075 ismsg 9077 msflem 9080 blfval 9112 isgrp 9321 grpidvallem 9341 grpidval 9342 grpinvfval 9350 grpdivfval 9366 gxnn0suc 9387 isabl 9409 isgalem 9449 isring 9465 ringi 9466 vci 9499 isvclem 9528 isnvlem 9561 nvi 9565 isphg 9817 elghomlem1 10193 isass 10363 isexid 10364 idrval 10374 iscom2 10396 iscst1 14519 iscst2 14520 islatalg 14531 iscom 14689 fprodsub 14742 com2i 14765 vecval1b 14794 vecval3b 14795 vri 14834 isded 15083 dedi 15084 iscat 15101 cati 15102 ismona 15158 isseg2 15305 ismtyval 15947 bfp 16009 isphtpy 16048 isgrpNEW 17104 isringNEW 17142 issrng 17176 islvec 17188 isphil 17195 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-rex 2110 df-v 2294 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-nul 2876 df-pw 3035 df-sn 3049 df-pr 3050 df-op 3053 df-uni 3178 df-br 3339 df-opab 3396 df-cnv 4002 df-dm 4004 df-rn 4005 df-res 4006 df-ima 4007 df-fv 4014 df-opr 4886 |