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Mirrors > Home > MPE Home > Th. List > nfsab | Structured version Visualization version Unicode version |
Description: Bound-variable hypothesis builder for a class abstraction. (Contributed by Mario Carneiro, 11-Aug-2016.) |
Ref | Expression |
---|---|
nfsab.1 |
Ref | Expression |
---|---|
nfsab |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfsab.1 | . . . 4 | |
2 | 1 | nf5ri 2065 | . . 3 |
3 | 2 | hbab 2613 | . 2 |
4 | 3 | nf5i 2024 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wnf 1708 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-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 |
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 |
This theorem is referenced by: nfab 2769 upbdrech 39519 ssfiunibd 39523 |
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