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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 11202 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| 3 | 2 | mullidd 11192 | . 2 ⊢ (𝜑 → (1 · 𝐴) = 𝐴) |
| 4 | int-mul12d.2 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 5 | 3, 4 | eqtrd 2764 | 1 ⊢ (𝜑 → (1 · 𝐴) = 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2109 (class class class)co 7387 ℝcr 11067 1c1 11069 · cmul 11073 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2701 ax-resscn 11125 ax-1cn 11126 ax-icn 11127 ax-addcl 11128 ax-mulcl 11130 ax-mulcom 11132 ax-mulass 11134 ax-distr 11135 ax-1rid 11138 ax-cnre 11141 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-sb 2066 df-clab 2708 df-cleq 2721 df-clel 2803 df-rex 3054 df-rab 3406 df-v 3449 df-dif 3917 df-un 3919 df-ss 3931 df-nul 4297 df-if 4489 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4872 df-br 5108 df-iota 6464 df-fv 6519 df-ov 7390 |
| This theorem is referenced by: (None) |
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