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| Mirrors > Home > ILE Home > Th. List > fnfvelrn | GIF version | ||
| Description: A function's value belongs to its range. (Contributed by NM, 15-Oct-1996.) |
| Ref | Expression |
|---|---|
| fnfvelrn | ⊢ ((𝐹 Fn 𝐴 ∧ 𝐵 ∈ 𝐴) → (𝐹‘𝐵) ∈ ran 𝐹) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvelrn 5813 | . 2 ⊢ ((Fun 𝐹 ∧ 𝐵 ∈ dom 𝐹) → (𝐹‘𝐵) ∈ ran 𝐹) | |
| 2 | 1 | funfni 5463 | 1 ⊢ ((𝐹 Fn 𝐴 ∧ 𝐵 ∈ 𝐴) → (𝐹‘𝐵) ∈ ran 𝐹) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∈ wcel 2205 ran crn 4755 Fn wfn 5352 ‘cfv 5357 |
| 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 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-v 2817 df-sbc 3046 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-br 4115 df-opab 4177 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-iota 5317 df-fun 5359 df-fn 5360 df-fv 5365 |
| This theorem is referenced by: ffvelcdm 5815 fnovrn 6210 fo1stresm 6368 fo2ndresm 6369 fo2ndf 6436 phplem4 7122 phplem4on 7135 cc2lem 7596 frec2uzrand 10791 frecuzrdglem 10797 frecuzrdg0 10799 frecuzrdg0t 10808 ccatrn 11322 uzin2 11697 ghmrn 14010 conjnmz 14032 |
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