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Mirrors > Home > MPE Home > Th. List > a1d | Structured version Visualization version Unicode version |
Description: Deduction introducing an embedded antecedent. Deduction form of ax-1 6 and a1i 11. (Contributed by NM, 5-Jan-1993.) (Proof shortened by Stefan Allan, 20-Mar-2006.) |
Ref | Expression |
---|---|
a1d.1 |
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Ref | Expression |
---|---|
a1d |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | a1d.1 |
. 2
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2 | ax-1 6 |
. 2
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3 | 1, 2 | syl 17 |
1
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