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| Mirrors > Home > ILE Home > Th. List > fsuppfund | GIF version | ||
| Description: A finitely supported function is a function. (Contributed by SN, 8-Mar-2025.) |
| Ref | Expression |
|---|---|
| fsuppfund.1 | ⊢ (𝜑 → 𝐹 finSupp 𝑍) |
| Ref | Expression |
|---|---|
| fsuppfund | ⊢ (𝜑 → Fun 𝐹) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fsuppfund.1 | . 2 ⊢ (𝜑 → 𝐹 finSupp 𝑍) | |
| 2 | fsuppimp 7217 | . . 3 ⊢ (𝐹 finSupp 𝑍 → (Fun 𝐹 ∧ (𝐹 supp 𝑍) ∈ Fin)) | |
| 3 | 2 | simpld 112 | . 2 ⊢ (𝐹 finSupp 𝑍 → Fun 𝐹) |
| 4 | 1, 3 | syl 14 | 1 ⊢ (𝜑 → Fun 𝐹) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2202 class class class wbr 4093 Fun wfun 5327 (class class class)co 6028 supp csupp 6413 Fincfn 6952 finSupp cfsupp 7210 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-v 2805 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-opab 4156 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-iota 5293 df-fun 5335 df-fv 5341 df-ov 6031 df-fsupp 7211 |
| This theorem is referenced by: fsuppcorn 7226 |
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