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| Mirrors > Home > MPE Home > Th. List > wunstr | Structured version Visualization version GIF version | ||
| Description: Closure of a structure index in a weak universe. (Contributed by Mario Carneiro, 12-Jan-2017.) |
| Ref | Expression |
|---|---|
| strfvss.e | ⊢ 𝐸 = Slot 𝑁 |
| wunstr.u | ⊢ (𝜑 → 𝑈 ∈ WUni) |
| wunstr.s | ⊢ (𝜑 → 𝑆 ∈ 𝑈) |
| Ref | Expression |
|---|---|
| wunstr | ⊢ (𝜑 → (𝐸‘𝑆) ∈ 𝑈) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | wunstr.u | . 2 ⊢ (𝜑 → 𝑈 ∈ WUni) | |
| 2 | wunstr.s | . . . 4 ⊢ (𝜑 → 𝑆 ∈ 𝑈) | |
| 3 | 1, 2 | wunrn 10844 | . . 3 ⊢ (𝜑 → ran 𝑆 ∈ 𝑈) |
| 4 | 1, 3 | wununi 10821 | . 2 ⊢ (𝜑 → ∪ ran 𝑆 ∈ 𝑈) |
| 5 | strfvss.e | . . . 4 ⊢ 𝐸 = Slot 𝑁 | |
| 6 | 5 | strfvss 17397 | . . 3 ⊢ (𝐸‘𝑆) ⊆ ∪ ran 𝑆 |
| 7 | 6 | a1i 11 | . 2 ⊢ (𝜑 → (𝐸‘𝑆) ⊆ ∪ ran 𝑆) |
| 8 | 1, 4, 7 | wunss 10827 | 1 ⊢ (𝜑 → (𝐸‘𝑆) ∈ 𝑈) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 ⊆ wss 3900 ∪ cuni 4870 ran crn 5657 ‘cfv 6561 WUnicwun 10815 Slot cslot 17391 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pr 5396 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5551 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-iota 6515 df-fun 6563 df-fv 6569 df-wun 10817 df-slot 17392 |
| This theorem is used by: basndxelwund 17430 wunress 17459 wunfunc 18108 wunnat 18166 catcslotelcl 18320 catcoppccl 18324 catcfuccl 18325 estrcbasbas 18337 catcxpccl 18413 ringcbasbas 20958 ringcbasbasALTV 49624 |
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