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Mirrors > Home > ILE Home > Th. List > mpdan | Unicode version |
Description: An inference based on modus ponens. (Contributed by NM, 23-May-1999.) (Proof shortened by Wolf Lammen, 22-Nov-2012.) |
Ref | Expression |
---|---|
mpdan.1 |
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mpdan.2 |
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Ref | Expression |
---|---|
mpdan |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id 19 |
. 2
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2 | mpdan.1 |
. 2
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3 | mpdan.2 |
. 2
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4 | 1, 2, 3 | syl2anc 411 |
1
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