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Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-nfcri | Structured version Visualization version GIF version |
Description: Remove dependency on ax-ext 2590 (and df-cleq 2603) from nfcri 2745. (Contributed by BJ, 6-Oct-2019.) (Proof modification is discouraged.) |
Ref | Expression |
---|---|
bj-nfcri.1 | ⊢ Ⅎ𝑥𝐴 |
Ref | Expression |
---|---|
bj-nfcri | ⊢ Ⅎ𝑥 𝑦 ∈ 𝐴 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bj-nfcri.1 | . . 3 ⊢ Ⅎ𝑥𝐴 | |
2 | 1 | bj-nfcrii 32045 | . 2 ⊢ (𝑦 ∈ 𝐴 → ∀𝑥 𝑦 ∈ 𝐴) |
3 | 2 | nf5i 2011 | 1 ⊢ Ⅎ𝑥 𝑦 ∈ 𝐴 |
Colors of variables: wff setvar class |
Syntax hints: Ⅎwnf 1699 ∈ wcel 1977 Ⅎwnfc 2738 |
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 |
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-clel 2606 df-nfc 2740 |
This theorem is referenced by: bj-nfnfc 32047 |
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