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| Mirrors > Home > MPE Home > Th. List > Mathboxes > eldisjsim1 | Structured version Visualization version GIF version | ||
| Description: An element of the class of disjoint relations is disjoint. (Contributed by Peter Mazsa, 11-Feb-2026.) |
| Ref | Expression |
|---|---|
| eldisjsim1 | ⊢ (𝑅 ∈ Disjs → Disj 𝑅) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eldisjsdisj 39423 | . 2 ⊢ (𝑅 ∈ Disjs → (𝑅 ∈ Disjs ↔ Disj 𝑅)) | |
| 2 | 1 | ibi 270 | 1 ⊢ (𝑅 ∈ Disjs → Disj 𝑅) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2150 Disjs cdisjs 38817 Disj wdisjALTV 38818 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2152 ax-9 2160 ax-ext 2742 ax-sep 5262 ax-pow 5340 ax-pr 5408 ax-un 7736 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-sb 2099 df-clab 2749 df-cleq 2762 df-clel 2845 df-ral 3087 df-rex 3097 df-rab 3424 df-v 3464 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-br 5115 df-opab 5179 df-xp 5671 df-rel 5672 df-cnv 5673 df-co 5674 df-dm 5675 df-rn 5676 df-res 5677 df-rels 39039 df-coss 39100 df-ssr 39177 df-cnvrefs 39204 df-cnvrefrels 39205 df-cnvrefrel 39206 df-disjss 39387 df-disjs 39388 df-disjALTV 39389 |
| This theorem is referenced by: eldisjsim5 39538 |
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