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Theorem brres2 34359
Description: Binary relation on a restriction. (Contributed by Peter Mazsa, 2-Jan-2019.) (Revised by Peter Mazsa, 16-Dec-2021.)
Assertion
Ref Expression
brres2 (𝐵(𝑅𝐴)𝐶𝐵(𝑅 ∩ (𝐴 × ran (𝑅𝐴)))𝐶)

Proof of Theorem brres2
StepHypRef Expression
1 brresALTV 34356 . . 3 (𝐶 ∈ ran (𝑅𝐴) → (𝐵(𝑅𝐴)𝐶 ↔ (𝐵𝐴𝐵𝑅𝐶)))
21pm5.32i 672 . 2 ((𝐶 ∈ ran (𝑅𝐴) ∧ 𝐵(𝑅𝐴)𝐶) ↔ (𝐶 ∈ ran (𝑅𝐴) ∧ (𝐵𝐴𝐵𝑅𝐶)))
3 relres 5584 . . . 4 Rel (𝑅𝐴)
43relelrni 5518 . . 3 (𝐵(𝑅𝐴)𝐶𝐶 ∈ ran (𝑅𝐴))
54pm4.71ri 668 . 2 (𝐵(𝑅𝐴)𝐶 ↔ (𝐶 ∈ ran (𝑅𝐴) ∧ 𝐵(𝑅𝐴)𝐶))
6 brinxp2ALTV 34358 . . 3 (𝐵(𝑅 ∩ (𝐴 × ran (𝑅𝐴)))𝐶 ↔ ((𝐵𝐴𝐶 ∈ ran (𝑅𝐴)) ∧ 𝐵𝑅𝐶))
7 df-3an 1074 . . 3 ((𝐵𝐴𝐶 ∈ ran (𝑅𝐴) ∧ 𝐵𝑅𝐶) ↔ ((𝐵𝐴𝐶 ∈ ran (𝑅𝐴)) ∧ 𝐵𝑅𝐶))
8 3anan12 1082 . . 3 ((𝐵𝐴𝐶 ∈ ran (𝑅𝐴) ∧ 𝐵𝑅𝐶) ↔ (𝐶 ∈ ran (𝑅𝐴) ∧ (𝐵𝐴𝐵𝑅𝐶)))
96, 7, 83bitr2i 288 . 2 (𝐵(𝑅 ∩ (𝐴 × ran (𝑅𝐴)))𝐶 ↔ (𝐶 ∈ ran (𝑅𝐴) ∧ (𝐵𝐴𝐵𝑅𝐶)))
102, 5, 93bitr4i 292 1 (𝐵(𝑅𝐴)𝐶𝐵(𝑅 ∩ (𝐴 × ran (𝑅𝐴)))𝐶)
Colors of variables: wff setvar class
Syntax hints:  wb 196  wa 383  w3a 1072  wcel 2139  cin 3714   class class class wbr 4804   × cxp 5264  ran crn 5267  cres 5268
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1871  ax-4 1886  ax-5 1988  ax-6 2054  ax-7 2090  ax-9 2148  ax-10 2168  ax-11 2183  ax-12 2196  ax-13 2391  ax-ext 2740  ax-sep 4933  ax-nul 4941  ax-pr 5055
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3an 1074  df-tru 1635  df-ex 1854  df-nf 1859  df-sb 2047  df-eu 2611  df-mo 2612  df-clab 2747  df-cleq 2753  df-clel 2756  df-nfc 2891  df-ral 3055  df-rex 3056  df-rab 3059  df-v 3342  df-dif 3718  df-un 3720  df-in 3722  df-ss 3729  df-nul 4059  df-if 4231  df-sn 4322  df-pr 4324  df-op 4328  df-br 4805  df-opab 4865  df-xp 5272  df-rel 5273  df-cnv 5274  df-dm 5276  df-rn 5277  df-res 5278
This theorem is referenced by:  brinxprnres  34383
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