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| Mirrors > Home > ILE Home > Th. List > mptex | Unicode version | ||
| Description: If the domain of a function given by maps-to notation is a set, the function is a set. (Contributed by NM, 22-Apr-2005.) (Revised by Mario Carneiro, 20-Dec-2013.) |
| Ref | Expression |
|---|---|
| mptex.1 |
|
| Ref | Expression |
|---|---|
| mptex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mptex.1 |
. 2
| |
| 2 | mptexg 5942 |
. 2
| |
| 3 | 1, 2 | ax-mp 5 |
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-coll 4246 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-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 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-iun 4014 df-br 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-f1 5382 df-fo 5383 df-f1o 5384 df-fv 5385 |
| This theorem is used by: mptrabex 5946 eufnfv 5949 abrexex 6346 ofmres 6369 difinfsn 7440 ctmlemr 7448 ctssdclemn0 7450 ctssdc 7453 enumct 7455 frec2uzrand 10842 frec2uzf1od 10843 frecfzennn 10863 uzennn 10873 0tonninf 10877 1tonninf 10878 hashinfom 11217 absval 11767 climle 12100 climcvg1nlem 12115 iserabs 12242 isumshft 12257 divcnv 12264 trireciplem 12267 expcnvap0 12269 expcnvre 12270 expcnv 12271 explecnv 12272 geolim 12278 geo2lim 12283 mertenslem2 12303 eftlub 12457 nninfctlemfo 12817 nninfct 12818 1arithlem1 13142 1arith 13146 ballotfilemfval 13229 ballotfilemsval 13252 ballotfilemrval 13261 ballotfilem7 13279 ctiunct 13331 restfn 13597 cndsex 14890 metuex 14892 zrhval2 14954 ivthreinc 15746 elply 15835 depindlem1 16747 peano4nninf 17049 peano3nninf 17050 nninfsellemeq 17057 nninfsellemeqinf 17059 dceqnconst 17110 dcapnconst 17111 |
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