| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > opco1i | Structured version Visualization version GIF version | ||
| Description: Inference form of opco1 8161. (Contributed by Mario Carneiro, 28-May-2014.) (Revised by Mario Carneiro, 30-Apr-2015.) |
| Ref | Expression |
|---|---|
| opco1i.1 | ⊢ 𝐵 ∈ V |
| opco1i.2 | ⊢ 𝐶 ∈ V |
| Ref | Expression |
|---|---|
| opco1i | ⊢ (𝐵(𝐹 ∘ 1st )𝐶) = (𝐹‘𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opco1i.1 | . . . 4 ⊢ 𝐵 ∈ V | |
| 2 | 1 | a1i 11 | . . 3 ⊢ (⊤ → 𝐵 ∈ V) |
| 3 | opco1i.2 | . . . 4 ⊢ 𝐶 ∈ V | |
| 4 | 3 | a1i 11 | . . 3 ⊢ (⊤ → 𝐶 ∈ V) |
| 5 | 2, 4 | opco1 8161 | . 2 ⊢ (⊤ → (𝐵(𝐹 ∘ 1st )𝐶) = (𝐹‘𝐵)) |
| 6 | 5 | mptru 1577 | 1 ⊢ (𝐵(𝐹 ∘ 1st )𝐶) = (𝐹‘𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ⊤wtru 1571 ∈ wcel 2147 Vcvv 3454 ∘ ccom 5659 ‘cfv 6558 (class class class)co 7443 1st c1st 8023 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pr 5395 ax-un 7775 |
| 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-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5171 df-mpt 5190 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-fo 6564 df-fv 6566 df-ov 7446 df-1st 8025 |
| This theorem is used by: fpwwe 10758 seq1st 16775 algrf 16777 algrp1 16778 dvnff 26273 dvnp1 26275 |
| Copyright terms: Public domain | W3C validator |