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Mirrors > Home > MPE Home > Th. List > ssriv | Structured version Visualization version Unicode version |
Description: Inference rule based on subclass definition. (Contributed by NM, 21-Jun-1993.) |
Ref | Expression |
---|---|
ssriv.1 |
Ref | Expression |
---|---|
ssriv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dfss2 3591 | . 2 | |
2 | ssriv.1 | . 2 | |
3 | 1, 2 | mpgbir 1726 | 1 |
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