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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 5844 |
. 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 4251 ax-pow 4313 ax-pr 4348 |
| 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 4132 df-opab 4194 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-fv 5388 |
| This theorem is used by: omgadd 11264 cjcl 11635 climmpt 12091 cn1lem 12105 climcn1lem 12110 fsumrelem 12263 efcl 12456 sincl 12498 coscl 12499 algcvg 12851 algcvgb 12853 algcvga 12854 algfx 12855 eucalgcvga 12861 eucalg 12862 sqpweven 12980 2sqpwodd 12981 ennnfonelemnn0 13371 relogcl 16091 bposlem7 16317 konigsberglem5 16938 nninfomnilem 17267 |
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