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Mirrors > Home > ILE Home > Th. List > nqprlu | Unicode version |
Description: The canonical embedding of the rationals into the reals. (Contributed by Jim Kingdon, 24-Jun-2020.) |
Ref | Expression |
---|---|
nqprlu |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breq2 3986 | . . . . 5 | |
2 | 1 | cbvabv 2291 | . . . 4 |
3 | breq2 3986 | . . . . 5 | |
4 | 3 | cbvabv 2291 | . . . 4 |
5 | 2, 4 | eqtr4i 2189 | . . 3 |
6 | 5 | opeq2i 3762 | . 2 |
7 | nqprxx 7487 | . 2 | |
8 | 6, 7 | eqeltrrid 2254 | 1 |
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