| 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 39076 | . . 3 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ ElDisjs ↔ (◡ E ↾ 𝐴) ∈ Disjs )) | |
| 2 | cnvepresex 38584 | . . . 4 ⊢ (𝐴 ∈ 𝑉 → (◡ E ↾ 𝐴) ∈ V) | |
| 3 | eldisjsdisj 39072 | . . . 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 279 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ ElDisjs ↔ Disj (◡ E ↾ 𝐴))) |
| 6 | df-eldisj 39040 | . 2 ⊢ ( ElDisj 𝐴 ↔ Disj (◡ E ↾ 𝐴)) | |
| 7 | 5, 6 | bitr4di 289 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ ElDisjs ↔ ElDisj 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∈ wcel 2114 Vcvv 3442 E cep 5531 ◡ccnv 5631 ↾ cres 5634 Disjs cdisjs 38466 Disj wdisjALTV 38467 ElDisjs celdisjs 38468 ElDisj weldisj 38469 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5226 ax-sep 5243 ax-pow 5312 ax-pr 5379 ax-un 7690 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-clab 2716 df-cleq 2729 df-clel 2812 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-eprel 5532 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-rels 38688 df-coss 38749 df-ssr 38826 df-cnvrefs 38853 df-cnvrefrels 38854 df-cnvrefrel 38855 df-disjss 39036 df-disjs 39037 df-disjALTV 39038 df-eldisjs 39039 df-eldisj 39040 |
| This theorem is referenced by: rnqmapeleldisjsim 39110 eldisjsim3 39185 eldisjs7 39189 |
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