| Mathbox for Glauco Siliprandi |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > zssxr | Structured version Visualization version GIF version | ||
| Description: The integers are a subset of the extended reals. (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
| Ref | Expression |
|---|---|
| zssxr | ⊢ ℤ ⊆ ℝ* |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zssre 12613 | . 2 ⊢ ℤ ⊆ ℝ | |
| 2 | ressxr 11268 | . 2 ⊢ ℝ ⊆ ℝ* | |
| 3 | 1, 2 | sstri 3947 | 1 ⊢ ℤ ⊆ ℝ* |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ⊆ wss 3906 ℝcr 11114 ℝ*cxr 11257 ℤcz 12606 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2737 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-rab 3419 df-v 3459 df-dif 3909 df-un 3911 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-iota 6496 df-fv 6548 df-ov 7422 df-xr 11262 df-neg 11459 df-z 12607 |
| This theorem is used by: limsupequzlem 46494 |
| Copyright terms: Public domain | W3C validator |