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| Mirrors > Home > ILE Home > Th. List > fvoveq1d | Unicode version | ||
| Description: Equality deduction for nested function and operation value. (Contributed by AV, 23-Jul-2022.) |
| Ref | Expression |
|---|---|
| fvoveq1d.1 |
|
| Ref | Expression |
|---|---|
| fvoveq1d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvoveq1d.1 |
. . 3
| |
| 2 | 1 | oveq1d 6103 |
. 2
|
| 3 | 2 | fveq2d 5702 |
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-3an 1011 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-v 2823 df-un 3224 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-iota 5340 df-fv 5388 df-ov 6091 |
| This theorem is used by: fvoveq1 6111 imbrov2fvoveq 6113 seqvalcd 10918 pfxfvlsw 11488 swrdswrd 11498 mpomulcn 15809 mulc1cncf 15832 mulcncflem 15850 mulcncf 15851 limccl 15902 ellimc3apf 15903 limcdifap 15905 limcmpted 15906 limcresi 15909 limccoap 15921 dveflem 15969 pcbcctr 16320 |
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