| 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 21722 | . 2 class ℝfld | |
| 2 | cxrs 17553 | . . 3 class ℝ*𝑠 | |
| 3 | csca 17312 | . . 3 class Scalar | |
| 4 | 2, 3 | cfv 6537 | . 2 class (Scalar‘ℝ*𝑠) |
| 5 | 1, 4 | wceq 1567 | 1 wff ℝfld = (Scalar‘ℝ*𝑠) |
| Colors of variables: wff setvar class |
| This axiom is referenced by: xrge0slmod 33610 sitmcl 34685 |
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