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Mirrors > Home > NFE Home > Th. List > adantr | Unicode version |
Description: Inference adding a conjunct to the right of an antecedent. (Contributed by NM, 30-Aug-1993.) |
Ref | Expression |
---|---|
adantr.1 |
Ref | Expression |
---|---|
adantr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | adantr.1 | . . 3 | |
2 | 1 | a1d 22 | . 2 |
3 | 2 | imp 418 | 1 |
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