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Mirrors > Home > ILE Home > Th. List > olcs | Unicode version |
Description: Deduction eliminating disjunct. (Contributed by NM, 21-Jun-1994.) (Proof shortened by Wolf Lammen, 3-Oct-2013.) |
Ref | Expression |
---|---|
olcs.1 |
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Ref | Expression |
---|---|
olcs |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | olcs.1 |
. . 3
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2 | 1 | orcoms 720 |
. 2
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3 | 2 | orcs 725 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: equs5or 1803 sup3exmid 8739 0nn0 9016 xrlttri3 9613 fsum00 11263 |
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