| 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 21656 | . 2 class ℝfld | |
| 2 | cxrs 17530 | . . 3 class ℝ*𝑠 | |
| 3 | csca 17289 | . . 3 class Scalar | |
| 4 | 2, 3 | cfv 6521 | . 2 class (Scalar‘ℝ*𝑠) |
| 5 | 1, 4 | wceq 1560 | 1 wff ℝfld = (Scalar‘ℝ*𝑠) |
| Colors of variables: wff setvar class |
| This axiom is referenced by: xrge0slmod 33534 sitmcl 34648 |
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