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| Mirrors > Home > MPE Home > Th. List > Mathboxes > cnvtrucl0 | Structured version Visualization version GIF version | ||
| Description: The converse of the trivial closure is equal to the closure of the converse. (Contributed by RP, 18-Oct-2020.) |
| Ref | Expression |
|---|---|
| cnvtrucl0 | ⊢ (𝑋 ∈ 𝑉 → ◡∩ {𝑥 ∣ (𝑋 ⊆ 𝑥 ∧ ⊤)} = ∩ {𝑦 ∣ (◡𝑋 ⊆ 𝑦 ∧ ⊤)}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | idd 24 | . 2 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑥 = (◡𝑦 ∪ (𝑋 ∖ ◡◡𝑋))) → (⊤ → ⊤)) | |
| 2 | idd 24 | . 2 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑦 = ◡𝑥) → (⊤ → ⊤)) | |
| 3 | biidd 262 | . 2 ⊢ (𝑥 = 𝑋 → (⊤ ↔ ⊤)) | |
| 4 | ssidd 3953 | . 2 ⊢ (𝑋 ∈ 𝑉 → 𝑋 ⊆ 𝑋) | |
| 5 | elex 3457 | . 2 ⊢ (𝑋 ∈ 𝑉 → 𝑋 ∈ V) | |
| 6 | trud 1551 | . 2 ⊢ (𝑋 ∈ 𝑉 → ⊤) | |
| 7 | 1, 2, 3, 4, 5, 6 | clcnvlem 43715 | 1 ⊢ (𝑋 ∈ 𝑉 → ◡∩ {𝑥 ∣ (𝑋 ⊆ 𝑥 ∧ ⊤)} = ∩ {𝑦 ∣ (◡𝑋 ⊆ 𝑦 ∧ ⊤)}) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ⊤wtru 1542 ∈ wcel 2111 {cab 2709 ∖ cdif 3894 ∪ cun 3895 ⊆ wss 3897 ∩ cint 4895 ◡ccnv 5613 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5232 ax-nul 5242 ax-pow 5301 ax-pr 5368 ax-un 7668 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-ral 3048 df-rex 3057 df-rab 3396 df-v 3438 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-nul 4281 df-if 4473 df-pw 4549 df-sn 4574 df-pr 4576 df-op 4580 df-uni 4857 df-int 4896 df-br 5090 df-opab 5152 df-mpt 5171 df-id 5509 df-xp 5620 df-rel 5621 df-cnv 5622 df-co 5623 df-dm 5624 df-rn 5625 df-iota 6437 df-fun 6483 df-fv 6489 df-1st 7921 df-2nd 7922 |
| This theorem is referenced by: (None) |
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