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Mirrors > Home > MPE Home > Th. List > Mathboxes > eqvrelcl | Structured version Visualization version GIF version |
Description: Elementhood in the field of an equivalence relation. (Contributed by Mario Carneiro, 12-Aug-2015.) (Revised by Peter Mazsa, 2-Jun-2019.) |
Ref | Expression |
---|---|
eqvrelcl.1 | ⊢ (𝜑 → EqvRel 𝑅) |
eqvrelcl.2 | ⊢ (𝜑 → 𝐴𝑅𝐵) |
Ref | Expression |
---|---|
eqvrelcl | ⊢ (𝜑 → 𝐴 ∈ dom 𝑅) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqvrelcl.1 | . . 3 ⊢ (𝜑 → EqvRel 𝑅) | |
2 | eqvrelrel 36710 | . . 3 ⊢ ( EqvRel 𝑅 → Rel 𝑅) | |
3 | 1, 2 | syl 17 | . 2 ⊢ (𝜑 → Rel 𝑅) |
4 | eqvrelcl.2 | . 2 ⊢ (𝜑 → 𝐴𝑅𝐵) | |
5 | releldm 5853 | . 2 ⊢ ((Rel 𝑅 ∧ 𝐴𝑅𝐵) → 𝐴 ∈ dom 𝑅) | |
6 | 3, 4, 5 | syl2anc 584 | 1 ⊢ (𝜑 → 𝐴 ∈ dom 𝑅) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2106 class class class wbr 5074 dom cdm 5589 Rel wrel 5594 EqvRel weqvrel 36350 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pr 5352 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-clab 2716 df-cleq 2730 df-clel 2816 df-ral 3069 df-rex 3070 df-rab 3073 df-v 3434 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-sn 4562 df-pr 4564 df-op 4568 df-br 5075 df-opab 5137 df-id 5489 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-refrel 36630 df-symrel 36658 df-trrel 36688 df-eqvrel 36698 |
This theorem is referenced by: eqvrelthi 36726 erim2 36789 |
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