| 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 21571 | . 2 class ℝfld | |
| 2 | cxrs 17433 | . . 3 class ℝ*𝑠 | |
| 3 | csca 17192 | . . 3 class Scalar | |
| 4 | 2, 3 | cfv 6500 | . 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 33441 sitmcl 34529 |
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