Theorem disjiminres 39447

Description: Disjointness condition for intersection with restriction. (Contributed by Peter Mazsa, 27-Sep-2021.)

Assertion

Ref	Expression
disjiminres	⊢ ( Disj 𝑆 → Disj (𝑅 ∩ (𝑆 ↾ 𝐴)))

Proof of Theorem disjiminres

Step	Hyp	Ref	Expression
1		disjimres 39445	. 2 ⊢ ( Disj 𝑆 → Disj (𝑆 ↾ 𝐴))
2		disjimin 39446	. 2 ⊢ ( Disj (𝑆 ↾ 𝐴) → Disj (𝑅 ∩ (𝑆 ↾ 𝐴)))
3	1, 2	syl 18	1 ⊢ ( Disj 𝑆 → Disj (𝑅 ∩ (𝑆 ↾ 𝐴)))

Syntax hints:   → wi 4   ∩ cin 3903   ↾ cres 5663   Disj wdisjALTV 38814

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 2143  ax-9 2151  ax-11 2190  ax-ext 2733  ax-sep 5256  ax-pr 5404

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 2095  df-clab 2740  df-cleq 2753  df-clel 2836  df-ral 3078  df-rex 3088  df-rab 3415  df-v 3455  df-dif 3907  df-un 3909  df-in 3911  df-ss 3921  df-nul 4286  df-if 4487  df-sn 4589  df-pr 4591  df-op 4595  df-br 5109  df-opab 5173  df-id 5556  df-xp 5667  df-rel 5668  df-cnv 5669  df-co 5670  df-dm 5671  df-rn 5672  df-res 5673  df-coss 39096  df-cnvrefrel 39202  df-funALTV 39362  df-disjALTV 39385

This theorem is referenced by:  disjALTVinidres  39452