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Mirrors > Home > MPE Home > Th. List > trud | Unicode version |
Description: Eliminate as an antecedent. A proposition implied by is true. (Contributed by Mario Carneiro, 13-Mar-2014.) |
Ref | Expression |
---|---|
trud.1 |
Ref | Expression |
---|---|
trud |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tru 1399 | . 2 | |
2 | trud.1 | . 2 | |
3 | 1, 2 | ax-mp 5 | 1 |
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