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Mirrors > Home > NFE Home > Th. List > hbequid | Unicode version |
Description: Bound-variable hypothesis
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Ref | Expression |
---|---|
hbequid |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-12o 2142 |
. 2
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2 | ax-8 1675 |
. . . . 5
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3 | 2 | pm2.43i 43 |
. . . 4
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4 | 3 | alimi 1559 |
. . 3
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5 | 4 | a1d 22 |
. 2
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6 | 1, 5, 5 | pm2.61ii 157 |
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 ax-gen 1546 ax-5 1557 ax-8 1675 ax-12o 2142 |
This theorem is referenced by: nfequid-o 2161 equidq 2175 |
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