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| Mirrors > Home > ILE Home > Th. List > ffvelcdmi | Unicode version | ||
| Description: A function's value belongs to its codomain. (Contributed by NM, 6-Apr-2005.) |
| Ref | Expression |
|---|---|
| ffvelcdmi.1 |
|
| Ref | Expression |
|---|---|
| ffvelcdmi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ffvelcdmi.1 |
. 2
| |
| 2 | ffvelcdm 5841 |
. 2
| |
| 3 | 1, 2 | mpan 428 |
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-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-sbc 3052 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-fv 5385 |
| This theorem is used by: omgadd 11242 cjcl 11613 climmpt 12066 cn1lem 12080 climcn1lem 12085 fsumrelem 12238 efcl 12431 sincl 12473 coscl 12474 algcvg 12826 algcvgb 12828 algcvga 12829 algfx 12830 eucalgcvga 12836 eucalg 12837 sqpweven 12953 2sqpwodd 12954 ennnfonelemnn0 13313 relogcl 15963 konigsberglem5 16733 nninfomnilem 17061 |
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