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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 11132 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| 3 | 2 | mullidd 11122 | . 2 ⊢ (𝜑 → (1 · 𝐴) = 𝐴) |
| 4 | int-mul12d.2 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 5 | 3, 4 | eqtrd 2765 | 1 ⊢ (𝜑 → (1 · 𝐴) = 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2110 (class class class)co 7341 ℝcr 10997 1c1 10999 · cmul 11003 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2112 ax-9 2120 ax-ext 2702 ax-resscn 11055 ax-1cn 11056 ax-icn 11057 ax-addcl 11058 ax-mulcl 11060 ax-mulcom 11062 ax-mulass 11064 ax-distr 11065 ax-1rid 11068 ax-cnre 11071 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2067 df-clab 2709 df-cleq 2722 df-clel 2804 df-rex 3055 df-rab 3394 df-v 3436 df-dif 3903 df-un 3905 df-ss 3917 df-nul 4282 df-if 4474 df-sn 4575 df-pr 4577 df-op 4581 df-uni 4858 df-br 5090 df-iota 6433 df-fv 6485 df-ov 7344 |
| This theorem is referenced by: (None) |
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