| 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 21519 | . 2 class ℝfld | |
| 2 | cxrs 17469 | . . 3 class ℝ*𝑠 | |
| 3 | csca 17229 | . . 3 class Scalar | |
| 4 | 2, 3 | cfv 6519 | . 2 class (Scalar‘ℝ*𝑠) |
| 5 | 1, 4 | wceq 1540 | 1 wff ℝfld = (Scalar‘ℝ*𝑠) |
| Colors of variables: wff setvar class |
| This axiom is referenced by: xrge0slmod 33327 sitmcl 34350 |
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