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Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-abbi2i | Structured version Visualization version GIF version |
Description: Remove dependency on ax-13 2246 from abbi2i 2738. (Contributed by BJ, 23-Jun-2019.) (Proof modification is discouraged.) |
Ref | Expression |
---|---|
bj-abbi2i.1 | ⊢ (𝑥 ∈ 𝐴 ↔ 𝜑) |
Ref | Expression |
---|---|
bj-abbi2i | ⊢ 𝐴 = {𝑥 ∣ 𝜑} |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bj-abeq2 32773 | . 2 ⊢ (𝐴 = {𝑥 ∣ 𝜑} ↔ ∀𝑥(𝑥 ∈ 𝐴 ↔ 𝜑)) | |
2 | bj-abbi2i.1 | . 2 ⊢ (𝑥 ∈ 𝐴 ↔ 𝜑) | |
3 | 1, 2 | mpgbir 1726 | 1 ⊢ 𝐴 = {𝑥 ∣ 𝜑} |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 196 = wceq 1483 ∈ wcel 1990 {cab 2608 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 |
This theorem is referenced by: bj-abid2 32782 bj-termab 32846 bj-df-nul 33017 |
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