| 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 39497 | . . 3 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ ElDisjs ↔ (◡ E ↾ 𝐴) ∈ Disjs )) | |
| 2 | cnvepresex 39005 | . . . 4 ⊢ (𝐴 ∈ 𝑉 → (◡ E ↾ 𝐴) ∈ V) | |
| 3 | eldisjsdisj 39493 | . . . 4 ⊢ ((◡ E ↾ 𝐴) ∈ V → ((◡ E ↾ 𝐴) ∈ Disjs ↔ Disj (◡ E ↾ 𝐴))) | |
| 4 | 2, 3 | syl 18 | . . 3 ⊢ (𝐴 ∈ 𝑉 → ((◡ E ↾ 𝐴) ∈ Disjs ↔ Disj (◡ E ↾ 𝐴))) |
| 5 | 1, 4 | bitrd 282 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ ElDisjs ↔ Disj (◡ E ↾ 𝐴))) |
| 6 | df-eldisj 39461 | . 2 ⊢ ( ElDisj 𝐴 ↔ Disj (◡ E ↾ 𝐴)) | |
| 7 | 5, 6 | bitr4di 292 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ ElDisjs ↔ ElDisj 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 ∈ wcel 2143 Vcvv 3455 E cep 5560 ◡ccnv 5660 ↾ cres 5663 Disjs cdisjs 38887 Disj wdisjALTV 38888 ElDisjs celdisjs 38889 ElDisj weldisj 38890 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5238 ax-sep 5257 ax-pow 5336 ax-pr 5404 ax-un 7732 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-clab 2742 df-cleq 2755 df-clel 2838 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-iun 4958 df-br 5110 df-opab 5174 df-eprel 5561 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-rels 39109 df-coss 39170 df-ssr 39247 df-cnvrefs 39274 df-cnvrefrels 39275 df-cnvrefrel 39276 df-disjss 39457 df-disjs 39458 df-disjALTV 39459 df-eldisjs 39460 df-eldisj 39461 |
| This theorem is referenced by: rnqmapeleldisjsim 39531 eldisjsim3 39606 eldisjs7 39610 |
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