| Mathbox for Peter Mazsa |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > eleldisjseldisj | Structured version Visualization version GIF version | ||
| Description: The element of the disjoint elements class and the disjoint elementhood predicate are the same, that is (𝐴 ∈ ElDisjs ↔ ElDisj 𝐴) when 𝐴 is a set. (Contributed by Peter Mazsa, 23-Jul-2023.) |
| Ref | Expression |
|---|---|
| eleldisjseldisj | ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ ElDisjs ↔ ElDisj 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eleldisjs 39210 | . . 3 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ ElDisjs ↔ (◡ E ↾ 𝐴) ∈ Disjs )) | |
| 2 | cnvepresex 38718 | . . . 4 ⊢ (𝐴 ∈ 𝑉 → (◡ E ↾ 𝐴) ∈ V) | |
| 3 | eldisjsdisj 39206 | . . . 4 ⊢ ((◡ E ↾ 𝐴) ∈ V → ((◡ E ↾ 𝐴) ∈ Disjs ↔ Disj (◡ E ↾ 𝐴))) | |
| 4 | 2, 3 | syl 17 | . . 3 ⊢ (𝐴 ∈ 𝑉 → ((◡ E ↾ 𝐴) ∈ Disjs ↔ Disj (◡ E ↾ 𝐴))) |
| 5 | 1, 4 | bitrd 281 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ ElDisjs ↔ Disj (◡ E ↾ 𝐴))) |
| 6 | df-eldisj 39174 | . 2 ⊢ ( ElDisj 𝐴 ↔ Disj (◡ E ↾ 𝐴)) | |
| 7 | 5, 6 | bitr4di 291 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ ElDisjs ↔ ElDisj 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 ∈ wcel 2121 Vcvv 3433 E cep 5520 ◡ccnv 5620 ↾ cres 5623 Disjs cdisjs 38600 Disj wdisjALTV 38601 ElDisjs celdisjs 38602 ElDisj weldisj 38603 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-rep 5202 ax-sep 5221 ax-pow 5297 ax-pr 5365 ax-un 7682 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-clab 2720 df-cleq 2733 df-clel 2816 df-ne 2937 df-ral 3056 df-rex 3066 df-rab 3394 df-v 3435 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-iun 4926 df-br 5076 df-opab 5138 df-eprel 5521 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-rels 38822 df-coss 38883 df-ssr 38960 df-cnvrefs 38987 df-cnvrefrels 38988 df-cnvrefrel 38989 df-disjss 39170 df-disjs 39171 df-disjALTV 39172 df-eldisjs 39173 df-eldisj 39174 |
| This theorem is referenced by: rnqmapeleldisjsim 39244 eldisjsim3 39319 eldisjs7 39323 |
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