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Mirrors > Home > ILE Home > Th. List > ad2antrr | Unicode version |
Description: Deduction adding two conjuncts to antecedent. (Contributed by NM, 19-Oct-1999.) (Proof shortened by Wolf Lammen, 20-Nov-2012.) |
Ref | Expression |
---|---|
ad2ant.1 |
Ref | Expression |
---|---|
ad2antrr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ad2ant.1 | . . 3 | |
2 | 1 | adantr 274 | . 2 |
3 | 2 | adantlr 469 | 1 |
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