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Mirrors > Home > MPE Home > Th. List > Mathboxes > rpssxr | Structured version Visualization version Unicode version |
Description: The positive reals are a subset of the extended reals. (Contributed by Glauco Siliprandi, 5-Feb-2022.) |
Ref | Expression |
---|---|
rpssxr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rpssre 11843 | . 2 | |
2 | ressxr 10083 | . 2 | |
3 | 1, 2 | sstri 3612 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wss 3574 cr 9935 cxr 10073 crp 11832 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-rab 2921 df-v 3202 df-un 3579 df-in 3581 df-ss 3588 df-xr 10078 df-rp 11833 |
This theorem is referenced by: cnrefiisplem 40055 |
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