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| Mirrors > Home > ILE Home > Th. List > setsex | GIF version | ||
| Description: Applying the structure replacement function yields a set. (Contributed by Jim Kingdon, 22-Jan-2023.) |
| Ref | Expression |
|---|---|
| setsex | ⊢ ((𝑆 ∈ 𝑉 ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑊) → (𝑆 sSet 〈𝐴, 𝐵〉) ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | setsvala 13440 | . 2 ⊢ ((𝑆 ∈ 𝑉 ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑊) → (𝑆 sSet 〈𝐴, 𝐵〉) = ((𝑆 ↾ (V ∖ {𝐴})) ∪ {〈𝐴, 𝐵〉})) | |
| 2 | resexg 5105 | . . . 4 ⊢ (𝑆 ∈ 𝑉 → (𝑆 ↾ (V ∖ {𝐴})) ∈ V) | |
| 3 | 2 | 3ad2ant1 1049 | . . 3 ⊢ ((𝑆 ∈ 𝑉 ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑊) → (𝑆 ↾ (V ∖ {𝐴})) ∈ V) |
| 4 | opexg 4370 | . . . . 5 ⊢ ((𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑊) → 〈𝐴, 𝐵〉 ∈ V) | |
| 5 | 4 | 3adant1 1046 | . . . 4 ⊢ ((𝑆 ∈ 𝑉 ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑊) → 〈𝐴, 𝐵〉 ∈ V) |
| 6 | snexg 4323 | . . . 4 ⊢ (〈𝐴, 𝐵〉 ∈ V → {〈𝐴, 𝐵〉} ∈ V) | |
| 7 | 5, 6 | syl 14 | . . 3 ⊢ ((𝑆 ∈ 𝑉 ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑊) → {〈𝐴, 𝐵〉} ∈ V) |
| 8 | unexg 4591 | . . 3 ⊢ (((𝑆 ↾ (V ∖ {𝐴})) ∈ V ∧ {〈𝐴, 𝐵〉} ∈ V) → ((𝑆 ↾ (V ∖ {𝐴})) ∪ {〈𝐴, 𝐵〉}) ∈ V) | |
| 9 | 3, 7, 8 | syl2anc 415 | . 2 ⊢ ((𝑆 ∈ 𝑉 ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑊) → ((𝑆 ↾ (V ∖ {𝐴})) ∪ {〈𝐴, 𝐵〉}) ∈ V) |
| 10 | 1, 9 | eqeltrd 2315 | 1 ⊢ ((𝑆 ∈ 𝑉 ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑊) → (𝑆 sSet 〈𝐴, 𝐵〉) ∈ V) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1009 ∈ wcel 2209 Vcvv 2821 ∖ cdif 3217 ∪ cun 3218 {csn 3709 〈cop 3712 ↾ cres 4778 (class class class)co 6088 sSet csts 13407 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-opab 4194 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-res 4788 df-iota 5340 df-fun 5382 df-fv 5388 df-ov 6091 df-oprab 6092 df-mpo 6093 df-sets 13416 |
| This theorem is used by: setsabsd 13448 setscom 13449 setsslnid 13461 ressvalsets 13475 ressex 13476 fnmgp 14325 mgpvalg 14326 mgpex 14329 opprvalg 14482 opprex 14486 sraval 14882 sralemg 14883 srascag 14887 sravscag 14888 sraipg 14889 sraex 14891 zlmval 15070 zlmlemg 15071 zlmsca 15075 zlmvscag 15076 znval 15079 znbaslemnn 15082 setsvtx 16514 setsiedg 16515 usgrstrrepeen 16694 |
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