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| Mirrors > Home > MPE Home > Th. List > opco1i | Structured version Visualization version GIF version | ||
| Description: Inference form of opco1 8111. (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 8111 | . 2 ⊢ (⊤ → (𝐵(𝐹 ∘ 1st )𝐶) = (𝐹‘𝐵)) |
| 6 | 5 | mptru 1547 | 1 ⊢ (𝐵(𝐹 ∘ 1st )𝐶) = (𝐹‘𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1540 ⊤wtru 1541 ∈ wcel 2109 Vcvv 3455 ∘ ccom 5650 ‘cfv 6519 (class class class)co 7394 1st c1st 7975 |
| 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-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-sep 5259 ax-nul 5269 ax-pr 5395 ax-un 7718 |
| 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-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2880 df-ne 2928 df-ral 3047 df-rex 3056 df-rab 3412 df-v 3457 df-dif 3925 df-un 3927 df-in 3929 df-ss 3939 df-nul 4305 df-if 4497 df-sn 4598 df-pr 4600 df-op 4604 df-uni 4880 df-br 5116 df-opab 5178 df-mpt 5197 df-id 5541 df-xp 5652 df-rel 5653 df-cnv 5654 df-co 5655 df-dm 5656 df-rn 5657 df-res 5658 df-ima 5659 df-iota 6472 df-fun 6521 df-fn 6522 df-f 6523 df-fo 6525 df-fv 6527 df-ov 7397 df-1st 7977 |
| This theorem is referenced by: fpwwe 10617 seq1st 16547 algrf 16549 algrp1 16550 dvnff 25832 dvnp1 25834 |
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