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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 7441 ctmlemr 7449 ctssdclemn0 7451 ctssdc 7454 enumct 7456 frec2uzrand 10857 frec2uzf1od 10858 frecfzennn 10878 uzennn 10888 0tonninf 10892 1tonninf 10893 hashinfom 11233 absval 11783 climle 12119 climcvg1nlem 12134 iserabs 12261 isumshft 12276 divcnv 12283 trireciplem 12286 expcnvap0 12288 expcnvre 12289 expcnv 12290 explecnv 12291 geolim 12297 geo2lim 12302 mertenslem2 12322 eftlub 12476 nninfctlemfo 12836 nninfct 12837 1arithlem1 13165 1arith 13169 ballotfilemfval 13281 ballotfilemsval 13304 ballotfilemrval 13313 ballotfilem7 13331 ctiunct 13383 restfn 13650 cndsex 14974 metuex 14976 zrhval2 15038 ivthreinc 15837 elply 15926 depindlem1 16913 peano4nninf 17215 peano3nninf 17216 nninfsellemeq 17223 nninfsellemeqinf 17225 dceqnconst 17277 dcapnconst 17278 |
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