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| Mirrors > Home > MPE Home > Th. List > Mathboxes > zeroopropdlem | Structured version Visualization version GIF version | ||
| Description: Lemma for zeroopropd 49604. (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 17925 | . 2 ⊢ ZeroO Fn Cat | |
| 2 | initopropdlem.1 | . 2 ⊢ (𝜑 → ¬ 𝐶 ∈ V) | |
| 3 | ssv 3960 | . 2 ⊢ Cat ⊆ V | |
| 4 | simpr 484 | . . . 4 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → 𝐷 ∈ Cat) | |
| 5 | eqid 2737 | . . . 4 ⊢ (Base‘𝐷) = (Base‘𝐷) | |
| 6 | eqid 2737 | . . . 4 ⊢ (Hom ‘𝐷) = (Hom ‘𝐷) | |
| 7 | 4, 5, 6 | zerooval 17931 | . . 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 49599 | . . . . . . 7 ⊢ (𝜑 → (InitO‘𝐶) = (InitO‘𝐷)) |
| 11 | fvprc 6834 | . . . . . . . 8 ⊢ (¬ 𝐶 ∈ V → (InitO‘𝐶) = ∅) | |
| 12 | 2, 11 | syl 17 | . . . . . . 7 ⊢ (𝜑 → (InitO‘𝐶) = ∅) |
| 13 | 10, 12 | eqtr3d 2774 | . . . . . 6 ⊢ (𝜑 → (InitO‘𝐷) = ∅) |
| 14 | 13 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → (InitO‘𝐷) = ∅) |
| 15 | 8, 9, 2 | termopropdlem 49600 | . . . . . . 7 ⊢ (𝜑 → (TermO‘𝐶) = (TermO‘𝐷)) |
| 16 | fvprc 6834 | . . . . . . . 8 ⊢ (¬ 𝐶 ∈ V → (TermO‘𝐶) = ∅) | |
| 17 | 2, 16 | syl 17 | . . . . . . 7 ⊢ (𝜑 → (TermO‘𝐶) = ∅) |
| 18 | 15, 17 | eqtr3d 2774 | . . . . . 6 ⊢ (𝜑 → (TermO‘𝐷) = ∅) |
| 19 | 18 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → (TermO‘𝐷) = ∅) |
| 20 | 14, 19 | ineq12d 4175 | . . . 4 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → ((InitO‘𝐷) ∩ (TermO‘𝐷)) = (∅ ∩ ∅)) |
| 21 | inidm 4181 | . . . 4 ⊢ (∅ ∩ ∅) = ∅ | |
| 22 | 20, 21 | eqtrdi 2788 | . . 3 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → ((InitO‘𝐷) ∩ (TermO‘𝐷)) = ∅) |
| 23 | 7, 22 | eqtrd 2772 | . 2 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → (ZeroO‘𝐷) = ∅) |
| 24 | 1, 2, 3, 23 | initopropdlemlem 49598 | 1 ⊢ (𝜑 → (ZeroO‘𝐶) = (ZeroO‘𝐷)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 Vcvv 3442 ∩ cin 3902 ∅c0 4287 ‘cfv 6500 Basecbs 17148 Hom chom 17200 Catccat 17599 Homf chomf 17601 compfccomf 17602 InitOcinito 17917 TermOctermo 17918 ZeroOczeroo 17919 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-ov 7371 df-oprab 7372 df-mpo 7373 df-1st 7943 df-2nd 7944 df-homf 17605 df-inito 17920 df-termo 17921 df-zeroo 17922 |
| This theorem is referenced by: zeroopropd 49604 |
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