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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 4037 | 
. . . . 5
 | |
| 2 | 1 | cbvabv 2321 | 
. . . 4
 | 
| 3 | breq2 4037 | 
. . . . 5
 | |
| 4 | 3 | cbvabv 2321 | 
. . . 4
 | 
| 5 | 2, 4 | eqtr4i 2220 | 
. . 3
 | 
| 6 | 5 | opeq2i 3812 | 
. 2
 | 
| 7 | nqprxx 7613 | 
. 2
 | |
| 8 | 6, 7 | eqeltrrid 2284 | 
1
 | 
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