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Mirrors > Home > MPE Home > Th. List > Mathboxes > iscnrm3rlem6 | Structured version Visualization version GIF version |
Description: Lemma for iscnrm3rlem7 46297. (Contributed by Zhi Wang, 5-Sep-2024.) |
Ref | Expression |
---|---|
iscnrm3rlem4.1 | ⊢ (𝜑 → 𝐽 ∈ Top) |
iscnrm3rlem4.2 | ⊢ (𝜑 → 𝑆 ⊆ ∪ 𝐽) |
iscnrm3rlem5.3 | ⊢ (𝜑 → 𝑇 ⊆ ∪ 𝐽) |
iscnrm3rlem6.4 | ⊢ (𝜑 → 𝑂 ⊆ (∪ 𝐽 ∖ (((cls‘𝐽)‘𝑆) ∩ ((cls‘𝐽)‘𝑇)))) |
Ref | Expression |
---|---|
iscnrm3rlem6 | ⊢ (𝜑 → (𝑂 ∈ (𝐽 ↾t (∪ 𝐽 ∖ (((cls‘𝐽)‘𝑆) ∩ ((cls‘𝐽)‘𝑇)))) ↔ 𝑂 ∈ 𝐽)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | iscnrm3rlem6.4 | . 2 ⊢ (𝜑 → 𝑂 ⊆ (∪ 𝐽 ∖ (((cls‘𝐽)‘𝑆) ∩ ((cls‘𝐽)‘𝑇)))) | |
2 | iscnrm3rlem4.1 | . . 3 ⊢ (𝜑 → 𝐽 ∈ Top) | |
3 | iscnrm3rlem4.2 | . . . 4 ⊢ (𝜑 → 𝑆 ⊆ ∪ 𝐽) | |
4 | iscnrm3rlem5.3 | . . . 4 ⊢ (𝜑 → 𝑇 ⊆ ∪ 𝐽) | |
5 | 2, 3, 4 | iscnrm3rlem5 46295 | . . 3 ⊢ (𝜑 → (∪ 𝐽 ∖ (((cls‘𝐽)‘𝑆) ∩ ((cls‘𝐽)‘𝑇))) ∈ 𝐽) |
6 | restopn2 22369 | . . 3 ⊢ ((𝐽 ∈ Top ∧ (∪ 𝐽 ∖ (((cls‘𝐽)‘𝑆) ∩ ((cls‘𝐽)‘𝑇))) ∈ 𝐽) → (𝑂 ∈ (𝐽 ↾t (∪ 𝐽 ∖ (((cls‘𝐽)‘𝑆) ∩ ((cls‘𝐽)‘𝑇)))) ↔ (𝑂 ∈ 𝐽 ∧ 𝑂 ⊆ (∪ 𝐽 ∖ (((cls‘𝐽)‘𝑆) ∩ ((cls‘𝐽)‘𝑇)))))) | |
7 | 2, 5, 6 | syl2anc 585 | . 2 ⊢ (𝜑 → (𝑂 ∈ (𝐽 ↾t (∪ 𝐽 ∖ (((cls‘𝐽)‘𝑆) ∩ ((cls‘𝐽)‘𝑇)))) ↔ (𝑂 ∈ 𝐽 ∧ 𝑂 ⊆ (∪ 𝐽 ∖ (((cls‘𝐽)‘𝑆) ∩ ((cls‘𝐽)‘𝑇)))))) |
8 | 1, 7 | mpbiran2d 706 | 1 ⊢ (𝜑 → (𝑂 ∈ (𝐽 ↾t (∪ 𝐽 ∖ (((cls‘𝐽)‘𝑆) ∩ ((cls‘𝐽)‘𝑇)))) ↔ 𝑂 ∈ 𝐽)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 397 ∈ wcel 2104 ∖ cdif 3889 ∩ cin 3891 ⊆ wss 3892 ∪ cuni 4844 ‘cfv 6454 (class class class)co 7303 ↾t crest 17172 Topctop 22083 clsccl 22210 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-rep 5218 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7616 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-ral 3063 df-rex 3072 df-reu 3286 df-rab 3287 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-op 4572 df-uni 4845 df-int 4887 df-iun 4933 df-iin 4934 df-br 5082 df-opab 5144 df-mpt 5165 df-tr 5199 df-id 5496 df-eprel 5502 df-po 5510 df-so 5511 df-fr 5551 df-we 5553 df-xp 5602 df-rel 5603 df-cnv 5604 df-co 5605 df-dm 5606 df-rn 5607 df-res 5608 df-ima 5609 df-ord 6280 df-on 6281 df-lim 6282 df-suc 6283 df-iota 6406 df-fun 6456 df-fn 6457 df-f 6458 df-f1 6459 df-fo 6460 df-f1o 6461 df-fv 6462 df-ov 7306 df-oprab 7307 df-mpo 7308 df-om 7741 df-1st 7859 df-2nd 7860 df-en 8761 df-fin 8764 df-fi 9210 df-rest 17174 df-topgen 17195 df-top 22084 df-topon 22101 df-bases 22137 df-cld 22211 df-cls 22213 |
This theorem is referenced by: iscnrm3rlem7 46297 |
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