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| Mirrors > Home > MPE Home > Th. List > opco1i | Structured version Visualization version GIF version | ||
| Description: Inference form of opco1 8053. (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 8053 | . 2 ⊢ (⊤ → (𝐵(𝐹 ∘ 1st )𝐶) = (𝐹‘𝐵)) |
| 6 | 5 | mptru 1548 | 1 ⊢ (𝐵(𝐹 ∘ 1st )𝐶) = (𝐹‘𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 ⊤wtru 1542 ∈ wcel 2111 Vcvv 3436 ∘ ccom 5618 ‘cfv 6481 (class class class)co 7346 1st c1st 7919 |
| 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 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5232 ax-nul 5242 ax-pr 5368 ax-un 7668 |
| 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-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-ral 3048 df-rex 3057 df-rab 3396 df-v 3438 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-nul 4281 df-if 4473 df-sn 4574 df-pr 4576 df-op 4580 df-uni 4857 df-br 5090 df-opab 5152 df-mpt 5171 df-id 5509 df-xp 5620 df-rel 5621 df-cnv 5622 df-co 5623 df-dm 5624 df-rn 5625 df-res 5626 df-ima 5627 df-iota 6437 df-fun 6483 df-fn 6484 df-f 6485 df-fo 6487 df-fv 6489 df-ov 7349 df-1st 7921 |
| This theorem is referenced by: fpwwe 10537 seq1st 16482 algrf 16484 algrp1 16485 dvnff 25852 dvnp1 25854 |
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