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Mirrors > Home > MPE Home > Th. List > fofn | Structured version Visualization version Unicode version |
Description: An onto mapping is a function on its domain. (Contributed by NM, 16-Dec-2008.) |
Ref | Expression |
---|---|
fofn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fof 6115 | . 2 | |
2 | 1 | ffnd 6046 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wfn 5883 wfo 5886 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-in 3581 df-ss 3588 df-f 5892 df-fo 5894 |
This theorem is referenced by: fodmrnu 6123 foun 6155 fo00 6172 foelrni 6244 cbvfo 6544 foeqcnvco 6555 canth 6608 1stcof 7196 2ndcof 7197 df1st2 7263 df2nd2 7264 1stconst 7265 2ndconst 7266 fsplit 7282 smoiso2 7466 fodomfi 8239 brwdom2 8478 fodomfi2 8883 fpwwe 9468 imasaddfnlem 16188 imasvscafn 16197 imasleval 16201 dmaf 16699 cdaf 16700 imasmnd2 17327 imasgrp2 17530 efgrelexlemb 18163 efgredeu 18165 imasring 18619 znf1o 19900 zzngim 19901 indlcim 20179 1stcfb 21248 upxp 21426 uptx 21428 cnmpt1st 21471 cnmpt2nd 21472 qtoptopon 21507 qtopcld 21516 qtopeu 21519 qtoprest 21520 imastopn 21523 qtophmeo 21620 elfm3 21754 uniiccdif 23346 dirith 25218 grporn 27375 0vfval 27461 foresf1o 29343 xppreima2 29450 1stpreimas 29483 1stpreima 29484 2ndpreima 29485 ffsrn 29504 gsummpt2d 29781 qtopt1 29902 qtophaus 29903 circcn 29905 cnre2csqima 29957 sigapildsys 30225 carsgclctunlem3 30382 br1steq 31670 br2ndeq 31671 br1steqg 31672 br2ndeqg 31673 nosupno 31849 nosupbday 31851 noetalem3 31865 bdayfn 31889 fnbigcup 32008 filnetlem4 32376 ovoliunnfl 33451 voliunnfl 33453 volsupnfl 33454 ssnnf1octb 39382 nnfoctbdj 40673 fargshiftfo 41378 |
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