| Mathbox for Stanislas Polu |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > int-mul12d | Structured version Visualization version GIF version | ||
| Description: Second MultiplicationOne generator rule. (Contributed by Stanislas Polu, 7-Apr-2020.) |
| Ref | Expression |
|---|---|
| int-mul12d.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| int-mul12d.2 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Ref | Expression |
|---|---|
| int-mul12d | ⊢ (𝜑 → (1 · 𝐴) = 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | int-mul12d.1 | . . . 4 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
| 2 | 1 | recnd 11261 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| 3 | 2 | mullidd 11251 | . 2 ⊢ (𝜑 → (1 · 𝐴) = 𝐴) |
| 4 | int-mul12d.2 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 5 | 3, 4 | eqtrd 2795 | 1 ⊢ (𝜑 → (1 · 𝐴) = 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 (class class class)co 7413 ℝcr 11123 1c1 11125 · cmul 11129 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2732 ax-resscn 11181 ax-1cn 11182 ax-icn 11183 ax-addcl 11184 ax-mulcl 11186 ax-mulcom 11188 ax-mulass 11190 ax-distr 11191 ax-1rid 11194 ax-cnre 11197 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-rex 3087 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-iota 6489 df-fv 6541 df-ov 7416 |
| This theorem is used by: (None) |
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