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Mirrors > Home > QLE Home > Th. List > 2an | Unicode version |
Description: Conjoin both sides of hypotheses. |
Ref | Expression |
---|---|
2an.1 | |
2an.2 |
Ref | Expression |
---|---|
2an |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2an.2 | . . 3 | |
2 | 1 | lan 77 | . 2 |
3 | 2an.1 | . . 3 | |
4 | 3 | ran 78 | . 2 |
5 | 2, 4 | ax-r2 36 | 1 |
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