Theorem rabeqdv 2771

Description: Equality of restricted class abstractions. Deduction form of rabeq 2769. (Contributed by Glauco Siliprandi, 5-Apr-2020.)

Hypothesis

Ref	Expression
rabeqdv.1	⊢ (𝜑 → 𝐴 = 𝐵)

Assertion

Ref	Expression
rabeqdv	⊢ (𝜑 → {𝑥 ∈ 𝐴 ∣ 𝜓} = {𝑥 ∈ 𝐵 ∣ 𝜓})

Distinct variable groups:   𝑥,𝐴   𝑥,𝐵

Allowed substitution hints:   𝜑(𝑥)   𝜓(𝑥)

Proof of Theorem rabeqdv

Step	Hyp	Ref	Expression
1		rabeqdv.1	. 2 ⊢ (𝜑 → 𝐴 = 𝐵)
2		rabeq 2769	. 2 ⊢ (𝐴 = 𝐵 → {𝑥 ∈ 𝐴 ∣ 𝜓} = {𝑥 ∈ 𝐵 ∣ 𝜓})
3	1, 2	syl 14	1 ⊢ (𝜑 → {𝑥 ∈ 𝐴 ∣ 𝜓} = {𝑥 ∈ 𝐵 ∣ 𝜓})

Syntax hints:   → wi 4   = wceq 1373  {crab 2490

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 711  ax-5 1471  ax-7 1472  ax-gen 1473  ax-ie1 1517  ax-ie2 1518  ax-8 1528  ax-10 1529  ax-11 1530  ax-i12 1531  ax-bndl 1533  ax-4 1534  ax-17 1550  ax-i9 1554  ax-ial 1558  ax-i5r 1559  ax-ext 2189

This theorem depends on definitions:  df-bi 117  df-tru 1376  df-nf 1485  df-sb 1787  df-clab 2194  df-cleq 2200  df-clel 2203  df-nfc 2339  df-rab 2495

This theorem is referenced by:  isacnm  7348  elovmpowrd  11074  dfphi2  12703  lspfval  14311  lsppropd  14355  psrval  14589  cncfval  15205  reldvg  15312  dvfvalap  15314  isuhgrm  15828  isushgrm  15829  uhgreq12g  15833  isuhgropm  15838  uhgr0vb  15841  uhgrun  15843  isupgren  15852  upgrop  15861  isumgren  15862  upgrun  15881  umgrun  15883  isuspgren  15912  isusgren  15913  isuspgropen  15919  isusgropen  15920  isausgren  15922  ausgrusgrben  15923