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Mirrors > Home > NFE Home > Th. List > an31 | Unicode version |
Description: A rearrangement of conjuncts. (Contributed by NM, 24-Jun-2012.) (Proof shortened by Wolf Lammen, 31-Dec-2012.) |
Ref | Expression |
---|---|
an31 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | an13 774 |
. 2
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2 | anass 630 |
. 2
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3 | anass 630 |
. 2
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4 | 1, 2, 3 | 3bitr4i 268 |
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-an 360 |
This theorem is referenced by: euind 3024 reuind 3040 |
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