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| Mirrors > Home > ILE Home > Th. List > ffnd | GIF version | ||
| Description: A mapping is a function with domain, deduction form. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
| Ref | Expression |
|---|---|
| ffnd.1 | ⊢ (𝜑 → 𝐹:𝐴⟶𝐵) |
| Ref | Expression |
|---|---|
| ffnd | ⊢ (𝜑 → 𝐹 Fn 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ffnd.1 | . 2 ⊢ (𝜑 → 𝐹:𝐴⟶𝐵) | |
| 2 | ffn 5476 | . 2 ⊢ (𝐹:𝐴⟶𝐵 → 𝐹 Fn 𝐴) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 𝐹 Fn 𝐴) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 Fn wfn 5316 ⟶wf 5317 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 |
| This theorem depends on definitions: df-bi 117 df-f 5325 |
| This theorem is referenced by: offeq 6241 caofid0l 6254 caofid0r 6255 caofid1 6256 caofid2 6257 difinfsn 7283 ctssdc 7296 nnnninfeq 7311 nninfdcinf 7354 nninfwlporlemd 7355 nninfwlporlem 7356 ofnegsub 9125 seqvalcd 10700 seq3feq2 10715 seq3feq 10719 seqf1oglem2 10759 seqfeq3 10768 ser0f 10773 facnn 10966 fac0 10967 resunimafz0 11071 wrdfn 11104 swrdvalfn 11209 pfxfn 11236 pfxid 11239 cats1un 11274 seq3shft 11370 fisumss 11924 prodf1f 12075 efcvgfsum 12199 nninfctlemfo 12582 ennnfonelemfun 13009 ennnfonelemf1 13010 prdsplusgsgrpcl 13468 prdssgrpd 13469 prdsplusgcl 13500 prdsidlem 13501 prdsmndd 13502 mhmf1o 13524 resmhm2b 13543 mhmima 13545 mhmeql 13546 gsumwmhm 13552 grpinvf1o 13624 prdsinvlem 13662 ghmrn 13815 ghmpreima 13824 ghmeql 13825 ghmnsgima 13826 ghmnsgpreima 13827 ghmeqker 13829 ghmf1o 13833 gsumfzmptfidmadd 13897 rhmf1o 14153 rnrhmsubrg 14237 psrbaglesuppg 14657 mplsubgfilemcl 14684 cnrest2 14931 lmss 14941 lmtopcnp 14945 upxp 14967 uptx 14969 cnmpt11 14978 cnmpt21 14986 cnmpt22f 14990 cnmptcom 14993 hmeof1o2 15003 psmetxrge0 15027 isxmet2d 15043 blelrnps 15114 blelrn 15115 xmetresbl 15135 comet 15194 bdxmet 15196 xmettx 15205 dvidlemap 15386 dvidrelem 15387 dvidsslem 15388 dvaddxxbr 15396 dvmulxxbr 15397 dvrecap 15408 plyaddlem1 15442 upgredg 15963 vtxedgfi 16075 vtxlpfi 16076 nninfall 16489 nninfsellemeqinf 16496 nninffeq 16500 nnnninfex 16502 nninfnfiinf 16503 refeq 16510 |
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