| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > ax-xrssca | Structured version Visualization version GIF version | ||
| Description: Assume the scalar component of the extended real structure is the field of the real numbers (this has to be defined in the main body of set.mm). (Contributed by Thierry Arnoux, 22-Oct-2017.) |
| Ref | Expression |
|---|---|
| ax-xrssca | ⊢ ℝfld = (Scalar‘ℝ*𝑠) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | crefld 21597 | . 2 class ℝfld | |
| 2 | cxrs 17458 | . . 3 class ℝ*𝑠 | |
| 3 | csca 17217 | . . 3 class Scalar | |
| 4 | 2, 3 | cfv 6493 | . 2 class (Scalar‘ℝ*𝑠) |
| 5 | 1, 4 | wceq 1542 | 1 wff ℝfld = (Scalar‘ℝ*𝑠) |
| Colors of variables: wff setvar class |
| This axiom is referenced by: xrge0slmod 33426 sitmcl 34514 |
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