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Mirrors > Home > NFE Home > Th. List > retbwax4 | Unicode version |
Description: tbw-ax4 1468 rederived from merco1 1478. (Contributed by Anthony Hart, 17-Sep-2011.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
retbwax4 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | merco1lem1 1479 |
. 2
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2 | merco1lem1 1479 |
. 2
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3 | 1, 2 | ax-mp 5 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 177 df-tru 1319 df-fal 1320 |
This theorem is referenced by: (None) |
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