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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 4038 |
. . . . 5
| |
| 2 | 1 | cbvabv 2321 |
. . . 4
|
| 3 | breq2 4038 |
. . . . 5
| |
| 4 | 3 | cbvabv 2321 |
. . . 4
|
| 5 | 2, 4 | eqtr4i 2220 |
. . 3
|
| 6 | 5 | opeq2i 3813 |
. 2
|
| 7 | nqprxx 7630 |
. 2
| |
| 8 | 6, 7 | eqeltrrid 2284 |
1
|
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