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| Description: A mapping is a function. |
| Ref | Expression |
|---|---|
| ffn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-f 3194 |
. 2
| |
| 2 | 1 | pm3.26bi 322 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: fnf 3628 ffun 3629 frel 3630 fdm 3631 fss 3635 fcoi1 3645 feu 3647 fex 3652 dffo2 3675 fodmrnu 3680 f1ofn 3690 f1o5 3697 f1f1orn 3699 fo00 3715 fvco3 3776 ffvelrn 3814 dff4 3816 dffo3 3819 dffo4 3820 dffo5 3821 ffnfv 3828 fsn2 3836 fopabsn 3840 fconst2g 3845 fconstfv 3849 f1fv 3874 canth 3907 2ndconst 4097 curry1f 4099 1stcof 4101 df1st2 4126 df2nd2 4127 mapval2 4335 mapsn 4345 pw2en 4446 mapenlem2 4490 xpmapenlem3 4498 mapunen 4502 fodomfiOLD 4566 ac6s2 4758 carduniima 4890 cardinfima 4891 unirnioo 6402 dfioo2 6403 fsequb2 6524 fseqsupub 6526 seq1ublem 6911 seq1ub 6912 climsup 7155 cvgcmpub 7185 cncffvrn 7273 eff2 7370 ruclem33 7542 ruclem35 7544 ruclem37 7546 infmap2lem2 7580 retopbas 7655 iooretop 7659 dnsconst 7788 blssioo 7913 tgioo 7915 lmsslem 7952 xplm 7975 bcthlem33 8031 grprn 8056 subgres 8117 issubgi 8122 vcoprnelem 8197 0vfval 8225 invfval 8261 cnnvm 8313 ip1cnilem2 8374 sspg 8387 ssps 8389 sspmlem 8391 sspn 8395 nvo00 8424 nmlno0lem 8453 lnon0 8458 phoeqi 8518 sinco 8667 cosco 8668 efghgrpilem 8719 hilnorm 9030 hhip 9044 hhssabl 9132 hhssnv 9134 hhsssh 9139 pjfnt 9654 df0op2 9678 hoeqt 9686 hocofn 9693 hoaddfn 9696 hosubfn 9697 hon0 9719 ho01 9754 hoeq1t 9756 kbpjt 9880 nmlnop0ALT 9920 lnopco0 9929 lnopcon 9963 lnfncon 9990 cnvbravalt 10043 hmopidmpj 10080 ghomgrpilem2 10386 ghomfo 10391 cayleylem2 10410 cayleylem3 10411 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-f 3194 |