| Mathbox for Stanislas Polu |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > int-mul11d | Structured version Visualization version GIF version | ||
| Description: First MultiplicationOne generator rule. (Contributed by Stanislas Polu, 7-Apr-2020.) |
| Ref | Expression |
|---|---|
| int-mul11d.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| int-mul11d.2 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Ref | Expression |
|---|---|
| int-mul11d | ⊢ (𝜑 → (𝐴 · 1) = 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | int-mul11d.1 | . . . 4 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
| 2 | 1 | recnd 11340 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| 3 | 2 | mulridd 11329 | . 2 ⊢ (𝜑 → (𝐴 · 1) = 𝐴) |
| 4 | int-mul11d.2 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 5 | 3, 4 | eqtrd 2795 | 1 ⊢ (𝜑 → (𝐴 · 1) = 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2144 (class class class)co 7420 ℝcr 11202 1c1 11204 · cmul 11208 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 ax-resscn 11260 ax-1cn 11261 ax-icn 11262 ax-addcl 11263 ax-mulcl 11265 ax-mulcom 11267 ax-mulass 11269 ax-distr 11270 ax-1rid 11273 ax-cnre 11276 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-un 4151 df-nul 4279 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-iota 6494 df-fv 6546 df-ov 7423 |
| This theorem is used by: (None) |
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