| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > fof | Unicode version | ||
| Description: An onto mapping is a mapping. (Contributed by NM, 3-Aug-1994.) |
| Ref | Expression |
|---|---|
| fof |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqimss 3302 |
. . 3
| |
| 2 | 1 | anim2i 342 |
. 2
|
| 3 | df-fo 5386 |
. 2
| |
| 4 | df-f 5384 |
. 2
| |
| 5 | 2, 3, 4 | 3imtr4i 201 |
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-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-in 3226 df-ss 3233 df-f 5384 df-fo 5386 |
| This theorem is used by: fofun 5619 fofn 5620 dffo2 5622 foima 5623 resdif 5664 ffoss 5675 fconstfvm 5936 cocan2 5997 foeqcnvco 5999 focdmex 6348 algrflem 6469 algrflemg 6470 tposf2 6543 mapfoss 6951 mapsn 6976 ssdomg 7069 fopwdom 7140 fidcenumlemrks 7275 fidcenumlemr 7277 ctmlemr 7454 ctm 7455 ctssdclemn0 7456 ctssdccl 7457 ctssdc 7459 enumctlemm 7460 enumct 7461 fodjuomnilemdc 7490 exmidfodomrlemr 7560 exmidfodomrlemrALT 7561 suplocexprlemdisj 8093 suplocexprlemub 8096 wrdsymb 11354 ennnfonelemdc 13348 ennnfonelemg 13352 ennnfonelemp1 13355 ennnfonelemhdmp1 13358 ennnfonelemkh 13361 ennnfonelemhf1o 13362 ennnfonelemex 13363 ennnfonelemhom 13364 ctinfomlemom 13376 ctinf 13379 ctiunctlemudc 13386 ctiunctlemf 13387 omctfn 13392 imasival 13686 imasbas 13687 imasplusg 13688 imasmulr 13689 imasaddfnlemg 13694 imasaddvallemg 13695 imasaddflemg 13696 imasmnd2 13818 imasgrp2 13972 mhmid 13977 mhmmnd 13978 mhmfmhm 13979 ghmgrp 13980 ghmfghm 14220 gsum2dfilem2 14272 imasring 14478 znunit 15103 znrrg 15104 dvrecap 15939 gausslemma2dlem1f1o 16384 subctctexmid 17235 pw1nct 17238 |
| Copyright terms: Public domain | W3C validator |