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Mirrors > Home > MPE Home > Th. List > a1i | Structured version Visualization version Unicode version |
Description: Inference introducing an antecedent. Inference associated with ax-1 6. Its associated inference is a1ii 1. See conventions 27258 for a definition of "associated inference". (Contributed by NM, 29-Dec-1992.) |
Ref | Expression |
---|---|
a1i.1 |
Ref | Expression |
---|---|
a1i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | a1i.1 | . 2 | |
2 | ax-1 6 | . 2 | |
3 | 1, 2 | ax-mp 5 | 1 |
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