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Theorem disjimin 38686
Description: Disjointness condition for intersection. (Contributed by Peter Mazsa, 11-Jun-2021.) (Revised by Peter Mazsa, 28-Sep-2021.)
Assertion
Ref Expression
disjimin ( Disj 𝑆 → Disj (𝑅𝑆))

Proof of Theorem disjimin
StepHypRef Expression
1 inss2 4218 . 2 (𝑅𝑆) ⊆ 𝑆
21disjssi 38667 1 ( Disj 𝑆 → Disj (𝑅𝑆))
Colors of variables: wff setvar class
Syntax hints:  wi 4  cin 3930   Disj wdisjALTV 38150
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1794  ax-4 1808  ax-5 1909  ax-6 1966  ax-7 2006  ax-8 2109  ax-9 2117  ax-10 2140  ax-11 2156  ax-12 2176  ax-ext 2706  ax-sep 5276  ax-nul 5286  ax-pr 5412
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1779  df-nf 1783  df-sb 2064  df-clab 2713  df-cleq 2726  df-clel 2808  df-ral 3051  df-rex 3060  df-rab 3420  df-v 3465  df-dif 3934  df-un 3936  df-in 3938  df-ss 3948  df-nul 4314  df-if 4506  df-sn 4607  df-pr 4609  df-op 4613  df-br 5124  df-opab 5186  df-id 5558  df-xp 5671  df-rel 5672  df-cnv 5673  df-co 5674  df-dm 5675  df-rn 5676  df-res 5677  df-coss 38346  df-cnvrefrel 38462  df-funALTV 38617  df-disjALTV 38640
This theorem is referenced by:  disjiminres  38687  eqvreldisj4  38762  eqvrelqseqdisj4  38767
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