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Mirrors > Home > MPE Home > Th. List > rab2exOLD | Structured version Visualization version GIF version |
Description: Obsolete version of rabex2 4742 as of 26-Mar-2021. (Contributed by AV, 16-Jul-2019.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
rab2exOLD.1 | ⊢ 𝐵 = {𝑦 ∈ 𝐴 ∣ 𝜓} |
rab2exOLD.2 | ⊢ 𝐴 ∈ 𝑉 |
Ref | Expression |
---|---|
rab2exOLD | ⊢ {𝑥 ∈ 𝐵 ∣ 𝜑} ∈ V |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rab2exOLD.1 | . . 3 ⊢ 𝐵 = {𝑦 ∈ 𝐴 ∣ 𝜓} | |
2 | rab2exOLD.2 | . . 3 ⊢ 𝐴 ∈ 𝑉 | |
3 | 1, 2 | rabex2OLD 4744 | . 2 ⊢ 𝐵 ∈ V |
4 | 3 | rabex 4740 | 1 ⊢ {𝑥 ∈ 𝐵 ∣ 𝜑} ∈ V |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1475 ∈ wcel 1977 {crab 2900 Vcvv 3173 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-rab 2905 df-v 3175 df-in 3547 df-ss 3554 |
This theorem is referenced by: (None) |
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