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| Mirrors > Home > MPE Home > Th. List > ovssunirn | Structured version Visualization version GIF version | ||
| Description: The result of an operation value is always a subset of the union of the range. (Contributed by Mario Carneiro, 12-Jan-2017.) |
| Ref | Expression |
|---|---|
| ovssunirn | ⊢ (𝑋𝐹𝑌) ⊆ ∪ ran 𝐹 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ov 7412 | . 2 ⊢ (𝑋𝐹𝑌) = (𝐹‘〈𝑋, 𝑌〉) | |
| 2 | fvssunirn 6905 | . 2 ⊢ (𝐹‘〈𝑋, 𝑌〉) ⊆ ∪ ran 𝐹 | |
| 3 | 1, 2 | eqsstri 3977 | 1 ⊢ (𝑋𝐹𝑌) ⊆ ∪ ran 𝐹 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ⊆ wss 3899 〈cop 4590 ∪ cuni 4867 ran crn 5649 ‘cfv 6528 (class class class)co 7409 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-12 2213 ax-ext 2732 ax-sep 5249 ax-nul 5260 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-ne 2956 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-cnv 5656 df-dm 5658 df-rn 5659 df-iota 6484 df-fv 6536 df-ov 7412 |
| This theorem is used by: prdsvallem 17572 prdsplusg 17576 prdsmulr 17577 prdsvsca 17578 prdshom 17585 wunfunc 18023 wunnat 18081 homarw 18168 catcoppccl 18239 catcfuccl 18240 catcxpccl 18328 isanmbfm 34808 |
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