| 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 21559 | . 2 class ℝfld | |
| 2 | cxrs 17421 | . . 3 class ℝ*𝑠 | |
| 3 | csca 17180 | . . 3 class Scalar | |
| 4 | 2, 3 | cfv 6492 | . 2 class (Scalar‘ℝ*𝑠) |
| 5 | 1, 4 | wceq 1541 | 1 wff ℝfld = (Scalar‘ℝ*𝑠) |
| Colors of variables: wff setvar class |
| This axiom is referenced by: xrge0slmod 33429 sitmcl 34508 |
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