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Mirrors > Home > ILE Home > Th. List > anim12i | Unicode version |
Description: Conjoin antecedents and consequents of two premises. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen, 14-Dec-2013.) |
Ref | Expression |
---|---|
anim12i.1 |
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anim12i.2 |
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Ref | Expression |
---|---|
anim12i |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anim12i.1 |
. 2
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2 | anim12i.2 |
. 2
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3 | id 19 |
. 2
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4 | 1, 2, 3 | syl2an 289 |
1
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