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| Mirrors > Home > ILE Home > Th. List > oveq | Unicode version | ||
| Description: Equality theorem for operation value. (Contributed by NM, 28-Feb-1995.) |
| Ref | Expression |
|---|---|
| oveq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fveq1 5697 |
. 2
| |
| 2 | df-ov 6091 |
. 2
| |
| 3 | df-ov 6091 |
. 2
| |
| 4 | 1, 2, 3 | 3eqtr4g 2296 |
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-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rex 2534 df-uni 3936 df-br 4132 df-iota 5340 df-fv 5388 df-ov 6091 |
| This theorem is used by: oveqi 6101 oveqd 6105 ovmpodf 6223 ovmpodv2 6225 mapxpen 7152 ismgm 13736 mgmsscl 13740 issgrp 13777 ismnddef 13790 grpissubg 14056 isrng 14340 islmod 14736 lmodfopne 14772 ispsmet 15549 ismet 15570 isxmet 15571 |
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