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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 5945 |
. 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 4248 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-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 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-fo 5386 df-f1o 5387 df-fv 5388 |
| This theorem is used by: mptrabex 5949 eufnfv 5952 abrexex 6350 ofmres 6373 difinfsn 7446 ctmlemr 7454 ctssdclemn0 7456 ctssdc 7459 enumct 7461 frec2uzrand 10863 frec2uzf1od 10864 frecfzennn 10884 uzennn 10894 0tonninf 10898 1tonninf 10899 hashinfom 11239 absval 11789 climle 12125 climcvg1nlem 12140 iserabs 12267 isumshft 12282 divcnv 12289 trireciplem 12292 expcnvap0 12294 expcnvre 12295 expcnv 12296 explecnv 12297 geolim 12303 geo2lim 12308 mertenslem2 12328 eftlub 12482 nninfctlemfo 12842 nninfct 12843 1arithlem1 13171 1arith 13175 ballotfilemfval 13287 ballotfilemsval 13310 ballotfilemrval 13319 ballotfilem7 13337 ctiunct 13389 restfn 13656 cndsex 14999 metuex 15001 zrhval2 15063 ivthreinc 15871 elply 15960 depindlem1 16952 peano4nninf 17255 peano3nninf 17256 nninfsellemeq 17263 nninfsellemeqinf 17265 dceqnconst 17317 dcapnconst 17318 |
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