| Mathbox for Zhi Wang |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > zeroopropdlem | Structured version Visualization version GIF version | ||
| Description: Lemma for zeroopropd 49216. (Contributed by Zhi Wang, 26-Oct-2025.) |
| Ref | Expression |
|---|---|
| initopropd.1 | ⊢ (𝜑 → (Homf ‘𝐶) = (Homf ‘𝐷)) |
| initopropd.2 | ⊢ (𝜑 → (compf‘𝐶) = (compf‘𝐷)) |
| initopropdlem.1 | ⊢ (𝜑 → ¬ 𝐶 ∈ V) |
| Ref | Expression |
|---|---|
| zeroopropdlem | ⊢ (𝜑 → (ZeroO‘𝐶) = (ZeroO‘𝐷)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zeroofn 17957 | . 2 ⊢ ZeroO Fn Cat | |
| 2 | initopropdlem.1 | . 2 ⊢ (𝜑 → ¬ 𝐶 ∈ V) | |
| 3 | ssv 3973 | . 2 ⊢ Cat ⊆ V | |
| 4 | simpr 484 | . . . 4 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → 𝐷 ∈ Cat) | |
| 5 | eqid 2730 | . . . 4 ⊢ (Base‘𝐷) = (Base‘𝐷) | |
| 6 | eqid 2730 | . . . 4 ⊢ (Hom ‘𝐷) = (Hom ‘𝐷) | |
| 7 | 4, 5, 6 | zerooval 17963 | . . 3 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → (ZeroO‘𝐷) = ((InitO‘𝐷) ∩ (TermO‘𝐷))) |
| 8 | initopropd.1 | . . . . . . . 8 ⊢ (𝜑 → (Homf ‘𝐶) = (Homf ‘𝐷)) | |
| 9 | initopropd.2 | . . . . . . . 8 ⊢ (𝜑 → (compf‘𝐶) = (compf‘𝐷)) | |
| 10 | 8, 9, 2 | initopropdlem 49211 | . . . . . . 7 ⊢ (𝜑 → (InitO‘𝐶) = (InitO‘𝐷)) |
| 11 | fvprc 6852 | . . . . . . . 8 ⊢ (¬ 𝐶 ∈ V → (InitO‘𝐶) = ∅) | |
| 12 | 2, 11 | syl 17 | . . . . . . 7 ⊢ (𝜑 → (InitO‘𝐶) = ∅) |
| 13 | 10, 12 | eqtr3d 2767 | . . . . . 6 ⊢ (𝜑 → (InitO‘𝐷) = ∅) |
| 14 | 13 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → (InitO‘𝐷) = ∅) |
| 15 | 8, 9, 2 | termopropdlem 49212 | . . . . . . 7 ⊢ (𝜑 → (TermO‘𝐶) = (TermO‘𝐷)) |
| 16 | fvprc 6852 | . . . . . . . 8 ⊢ (¬ 𝐶 ∈ V → (TermO‘𝐶) = ∅) | |
| 17 | 2, 16 | syl 17 | . . . . . . 7 ⊢ (𝜑 → (TermO‘𝐶) = ∅) |
| 18 | 15, 17 | eqtr3d 2767 | . . . . . 6 ⊢ (𝜑 → (TermO‘𝐷) = ∅) |
| 19 | 18 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → (TermO‘𝐷) = ∅) |
| 20 | 14, 19 | ineq12d 4186 | . . . 4 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → ((InitO‘𝐷) ∩ (TermO‘𝐷)) = (∅ ∩ ∅)) |
| 21 | inidm 4192 | . . . 4 ⊢ (∅ ∩ ∅) = ∅ | |
| 22 | 20, 21 | eqtrdi 2781 | . . 3 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → ((InitO‘𝐷) ∩ (TermO‘𝐷)) = ∅) |
| 23 | 7, 22 | eqtrd 2765 | . 2 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → (ZeroO‘𝐷) = ∅) |
| 24 | 1, 2, 3, 23 | initopropdlemlem 49210 | 1 ⊢ (𝜑 → (ZeroO‘𝐶) = (ZeroO‘𝐷)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2109 Vcvv 3450 ∩ cin 3915 ∅c0 4298 ‘cfv 6513 Basecbs 17185 Hom chom 17237 Catccat 17631 Homf chomf 17633 compfccomf 17634 InitOcinito 17949 TermOctermo 17950 ZeroOczeroo 17951 |
| 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-rep 5236 ax-sep 5253 ax-nul 5263 ax-pow 5322 ax-pr 5389 ax-un 7713 |
| 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 2879 df-ne 2927 df-ral 3046 df-rex 3055 df-reu 3357 df-rab 3409 df-v 3452 df-sbc 3756 df-csb 3865 df-dif 3919 df-un 3921 df-in 3923 df-ss 3933 df-nul 4299 df-if 4491 df-pw 4567 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-iun 4959 df-br 5110 df-opab 5172 df-mpt 5191 df-id 5535 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-iota 6466 df-fun 6515 df-fn 6516 df-f 6517 df-f1 6518 df-fo 6519 df-f1o 6520 df-fv 6521 df-ov 7392 df-oprab 7393 df-mpo 7394 df-1st 7970 df-2nd 7971 df-homf 17637 df-inito 17952 df-termo 17953 df-zeroo 17954 |
| This theorem is referenced by: zeroopropd 49216 |
| Copyright terms: Public domain | W3C validator |