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| Mirrors > Home > ILE Home > Th. List > 0re | Unicode version | ||
| Description:  | 
| Ref | Expression | 
|---|---|
| 0re | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | 1re 8025 | 
. 2
 | |
| 2 | ax-rnegex 7988 | 
. 2
 | |
| 3 | readdcl 8005 | 
. . . . 5
 | |
| 4 | 1, 3 | mpan 424 | 
. . . 4
 | 
| 5 | eleq1 2259 | 
. . . 4
 | |
| 6 | 4, 5 | syl5ibcom 155 | 
. . 3
 | 
| 7 | 6 | rexlimiv 2608 | 
. 2
 | 
| 8 | 1, 2, 7 | mp2b 8 | 
1
 | 
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