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Mirrors > Home > ILE Home > Th. List > syl2anr | Unicode version |
Description: A double syllogism inference. (Contributed by NM, 17-Sep-2013.) |
Ref | Expression |
---|---|
syl2an.1 | |
syl2an.2 | |
syl2an.3 |
Ref | Expression |
---|---|
syl2anr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl2an.1 | . . 3 | |
2 | syl2an.2 | . . 3 | |
3 | syl2an.3 | . . 3 | |
4 | 1, 2, 3 | syl2an 287 | . 2 |
5 | 4 | ancoms 266 | 1 |
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