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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 5482 | . 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 5321 ⟶wf 5322 |
| 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 5330 |
| This theorem is referenced by: offeq 6249 caofid0l 6262 caofid0r 6263 caofid1 6264 caofid2 6265 difinfsn 7299 ctssdc 7312 nnnninfeq 7327 nninfdcinf 7370 nninfwlporlemd 7371 nninfwlporlem 7372 ofnegsub 9142 seqvalcd 10724 seq3feq2 10739 seq3feq 10743 seqf1oglem2 10783 seqfeq3 10792 ser0f 10797 facnn 10990 fac0 10991 resunimafz0 11096 wrdfn 11132 swrdvalfn 11241 pfxfn 11268 pfxid 11271 cats1un 11306 seq3shft 11403 fisumss 11958 prodf1f 12109 efcvgfsum 12233 nninfctlemfo 12616 ennnfonelemfun 13043 ennnfonelemf1 13044 prdsplusgsgrpcl 13502 prdssgrpd 13503 prdsplusgcl 13534 prdsidlem 13535 prdsmndd 13536 mhmf1o 13558 resmhm2b 13577 mhmima 13579 mhmeql 13580 gsumwmhm 13586 grpinvf1o 13658 prdsinvlem 13696 ghmrn 13849 ghmpreima 13858 ghmeql 13859 ghmnsgima 13860 ghmnsgpreima 13861 ghmeqker 13863 ghmf1o 13867 gsumfzmptfidmadd 13931 rhmf1o 14188 rnrhmsubrg 14272 psrbaglesuppg 14692 mplsubgfilemcl 14719 cnrest2 14966 lmss 14976 lmtopcnp 14980 upxp 15002 uptx 15004 cnmpt11 15013 cnmpt21 15021 cnmpt22f 15025 cnmptcom 15028 hmeof1o2 15038 psmetxrge0 15062 isxmet2d 15078 blelrnps 15149 blelrn 15150 xmetresbl 15170 comet 15229 bdxmet 15231 xmettx 15240 dvidlemap 15421 dvidrelem 15422 dvidsslem 15423 dvaddxxbr 15431 dvmulxxbr 15432 dvrecap 15443 plyaddlem1 15477 upgredg 16001 vtxedgfi 16146 vtxlpfi 16147 depindlem2 16352 depindlem3 16353 nninfall 16637 nninfsellemeqinf 16644 nninffeq 16648 nnnninfex 16650 nninfnfiinf 16651 refeq 16658 gfsumcl 16713 |
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