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| Mirrors > Home > MPE Home > Th. List > fnfvrnss | Structured version Visualization version GIF version | ||
| Description: An upper bound for range determined by function values. (Contributed by NM, 8-Oct-2004.) |
| Ref | Expression |
|---|---|
| fnfvrnss | ⊢ ((𝐹 Fn 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) ∈ 𝐵) → ran 𝐹 ⊆ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ffnfv 7060 | . 2 ⊢ (𝐹:𝐴⟶𝐵 ↔ (𝐹 Fn 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) ∈ 𝐵)) | |
| 2 | frn 6662 | . 2 ⊢ (𝐹:𝐴⟶𝐵 → ran 𝐹 ⊆ 𝐵) | |
| 3 | 1, 2 | sylbir 236 | 1 ⊢ ((𝐹 Fn 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) ∈ 𝐵) → ran 𝐹 ⊆ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 ∈ wcel 2119 ∀wral 3053 ⊆ wss 3883 ran crn 5619 Fn wfn 6480 ⟶wf 6481 ‘cfv 6485 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-sep 5218 ax-nul 5228 ax-pr 5362 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-ral 3054 df-rex 3064 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-opab 5135 df-mpt 5154 df-id 5513 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-fv 6493 |
| This theorem is referenced by: ffvresb 7067 dffi3 9334 infxpenlem 9926 alephsing 10189 seqexw 13970 srgfcl 20168 mplind 22046 1stckgenlem 23536 psmetxrge0 24296 plyreres 26267 aannenlem1 26312 bdayn0sf1o 28380 dfnns2 28382 subuhgr 29373 subupgr 29374 subumgr 29375 subusgr 29376 elrspunidl 33511 rmulccn 34112 esumfsup 34254 sxbrsigalem3 34456 sitgf 34531 ctbssinf 37768 dihf11lem 41758 hdmaprnN 42356 hgmaprnN 42393 ofoafg 43799 naddcnff 43807 ntrrn 44566 mnurndlem1 44725 volicoff 46438 dirkercncflem2 46547 fourierdlem15 46565 fourierdlem42 46592 grimuhgr 48378 slotresfo 49389 |
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