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Mirrors > Home > NFE Home > Th. List > hbs1 | Unicode version |
Description: is not free in when and are distinct. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
hbs1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax16 2045 | . 2 | |
2 | hbsb2 2057 | . 2 | |
3 | 1, 2 | pm2.61i 156 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wal 1540 wsb 1648 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 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 |
This theorem is referenced by: nfs1v 2106 hbab1 2342 |
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