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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 5479 | . 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 5319 ⟶wf 5320 |
| 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 5328 |
| This theorem is referenced by: offeq 6244 caofid0l 6257 caofid0r 6258 caofid1 6259 caofid2 6260 difinfsn 7293 ctssdc 7306 nnnninfeq 7321 nninfdcinf 7364 nninfwlporlemd 7365 nninfwlporlem 7366 ofnegsub 9135 seqvalcd 10716 seq3feq2 10731 seq3feq 10735 seqf1oglem2 10775 seqfeq3 10784 ser0f 10789 facnn 10982 fac0 10983 resunimafz0 11088 wrdfn 11121 swrdvalfn 11230 pfxfn 11257 pfxid 11260 cats1un 11295 seq3shft 11392 fisumss 11946 prodf1f 12097 efcvgfsum 12221 nninfctlemfo 12604 ennnfonelemfun 13031 ennnfonelemf1 13032 prdsplusgsgrpcl 13490 prdssgrpd 13491 prdsplusgcl 13522 prdsidlem 13523 prdsmndd 13524 mhmf1o 13546 resmhm2b 13565 mhmima 13567 mhmeql 13568 gsumwmhm 13574 grpinvf1o 13646 prdsinvlem 13684 ghmrn 13837 ghmpreima 13846 ghmeql 13847 ghmnsgima 13848 ghmnsgpreima 13849 ghmeqker 13851 ghmf1o 13855 gsumfzmptfidmadd 13919 rhmf1o 14175 rnrhmsubrg 14259 psrbaglesuppg 14679 mplsubgfilemcl 14706 cnrest2 14953 lmss 14963 lmtopcnp 14967 upxp 14989 uptx 14991 cnmpt11 15000 cnmpt21 15008 cnmpt22f 15012 cnmptcom 15015 hmeof1o2 15025 psmetxrge0 15049 isxmet2d 15065 blelrnps 15136 blelrn 15137 xmetresbl 15157 comet 15216 bdxmet 15218 xmettx 15227 dvidlemap 15408 dvidrelem 15409 dvidsslem 15410 dvaddxxbr 15418 dvmulxxbr 15419 dvrecap 15430 plyaddlem1 15464 upgredg 15988 vtxedgfi 16100 vtxlpfi 16101 nninfall 16561 nninfsellemeqinf 16568 nninffeq 16572 nnnninfex 16574 nninfnfiinf 16575 refeq 16582 |
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