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Mirrors > Home > NFE Home > Th. List > nfab1 | Unicode version |
Description: Bound-variable hypothesis builder for a class abstraction. (Contributed by Mario Carneiro, 11-Aug-2016.) |
Ref | Expression |
---|---|
nfab1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfsab1 2343 | . 2 | |
2 | 1 | nfci 2479 | 1 |
Colors of variables: wff setvar class |
Syntax hints: cab 2339 wnfc 2476 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-3 7 ax-mp 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-6 1729 ax-7 1734 ax-11 1746 ax-12 1925 |
This theorem depends on definitions: df-bi 177 df-an 360 df-tru 1319 df-ex 1542 df-nf 1545 df-sb 1649 df-clab 2340 df-nfc 2478 |
This theorem is referenced by: nfabd2 2507 abid2f 2514 nfrab1 2791 elabgt 2982 elabgf 2983 nfsbc1d 3063 ss2ab 3334 abn0 3568 euabsn 3792 iunab 4012 iinab 4027 sniota 4369 |
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