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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 7415 | . 2 ⊢ (𝑋𝐹𝑌) = (𝐹‘〈𝑋, 𝑌〉) | |
| 2 | fvssunirn 6912 | . 2 ⊢ (𝐹‘〈𝑋, 𝑌〉) ⊆ ∪ ran 𝐹 | |
| 3 | 1, 2 | eqsstri 3982 | 1 ⊢ (𝑋𝐹𝑌) ⊆ ∪ ran 𝐹 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ⊆ wss 3904 〈cop 4594 ∪ cuni 4871 ran crn 5661 ‘cfv 6536 (class class class)co 7412 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-12 2212 ax-ext 2734 ax-sep 5256 ax-nul 5268 ax-pr 5403 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-ne 2958 df-rab 3416 df-v 3456 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-br 5109 df-opab 5173 df-cnv 5668 df-dm 5670 df-rn 5671 df-iota 6492 df-fv 6544 df-ov 7415 |
| This theorem is used by: prdsvallem 17513 prdsplusg 17517 prdsmulr 17518 prdsvsca 17519 prdshom 17526 wunfunc 17964 wunnat 18022 homarw 18109 catcoppccl 18180 catcfuccl 18181 catcxpccl 18269 isanmbfm 34655 |
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