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Mirrors > Home > MPE Home > Th. List > Mathboxes > elcoeleqvrelsrel | Structured version Visualization version GIF version |
Description: For sets, being an element of the class of coelement equivalence relations is equivalent to satisfying the coelement equivalence relation predicate. (Contributed by Peter Mazsa, 24-Jul-2023.) |
Ref | Expression |
---|---|
elcoeleqvrelsrel | ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ CoElEqvRels ↔ CoElEqvRel 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elcoeleqvrels 37086 | . . 3 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ CoElEqvRels ↔ ≀ (◡ E ↾ 𝐴) ∈ EqvRels )) | |
2 | 1cosscnvepresex 36912 | . . . 4 ⊢ (𝐴 ∈ 𝑉 → ≀ (◡ E ↾ 𝐴) ∈ V) | |
3 | eleqvrelsrel 37085 | . . . 4 ⊢ ( ≀ (◡ E ↾ 𝐴) ∈ V → ( ≀ (◡ E ↾ 𝐴) ∈ EqvRels ↔ EqvRel ≀ (◡ E ↾ 𝐴))) | |
4 | 2, 3 | syl 17 | . . 3 ⊢ (𝐴 ∈ 𝑉 → ( ≀ (◡ E ↾ 𝐴) ∈ EqvRels ↔ EqvRel ≀ (◡ E ↾ 𝐴))) |
5 | 1, 4 | bitrd 279 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ CoElEqvRels ↔ EqvRel ≀ (◡ E ↾ 𝐴))) |
6 | df-coeleqvrel 37078 | . 2 ⊢ ( CoElEqvRel 𝐴 ↔ EqvRel ≀ (◡ E ↾ 𝐴)) | |
7 | 5, 6 | bitr4di 289 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∈ CoElEqvRels ↔ CoElEqvRel 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∈ wcel 2107 Vcvv 3448 E cep 5541 ◡ccnv 5637 ↾ cres 5640 ≀ ccoss 36663 EqvRels ceqvrels 36679 EqvRel weqvrel 36680 CoElEqvRels ccoeleqvrels 36681 CoElEqvRel wcoeleqvrel 36682 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2708 ax-rep 5247 ax-sep 5261 ax-nul 5268 ax-pow 5325 ax-pr 5389 ax-un 7677 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2539 df-clab 2715 df-cleq 2729 df-clel 2815 df-ne 2945 df-ral 3066 df-rex 3075 df-rab 3411 df-v 3450 df-dif 3918 df-un 3920 df-in 3922 df-ss 3932 df-nul 4288 df-if 4492 df-pw 4567 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4871 df-iun 4961 df-br 5111 df-opab 5173 df-id 5536 df-eprel 5542 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-coss 36902 df-rels 36976 df-ssr 36989 df-refs 37001 df-refrels 37002 df-refrel 37003 df-syms 37033 df-symrels 37034 df-symrel 37035 df-trs 37063 df-trrels 37064 df-trrel 37065 df-eqvrels 37075 df-eqvrel 37076 df-coeleqvrels 37077 df-coeleqvrel 37078 |
This theorem is referenced by: (None) |
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