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Mirrors > Home > MPE Home > Th. List > hbe1a | Structured version Visualization version Unicode version |
Description: Dual statement of hbe1 2021. Modified version of axc7e 2133 with a universally quantified consequent. (Contributed by Wolf Lammen, 15-Sep-2021.) |
Ref | Expression |
---|---|
hbe1a |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ex 1705 | . 2 | |
2 | hbn1 2020 | . . 3 | |
3 | 2 | con1i 144 | . 2 |
4 | 1, 3 | sylbi 207 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wal 1481 wex 1704 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-10 2019 |
This theorem depends on definitions: df-bi 197 df-ex 1705 |
This theorem is referenced by: nf5-1 2023 axc7e 2133 wl-dveeq12 33311 |
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