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| Mirrors > Home > MPE Home > Th. List > Mathboxes > zeroopropdlem | Structured version Visualization version GIF version | ||
| Description: Lemma for zeroopropd 50179. (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 18084 | . 2 ⊢ ZeroO Fn Cat | |
| 2 | initopropdlem.1 | . 2 ⊢ (𝜑 → ¬ 𝐶 ∈ V) | |
| 3 | ssv 3958 | . 2 ⊢ Cat ⊆ V | |
| 4 | simpr 490 | . . . 4 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → 𝐷 ∈ Cat) | |
| 5 | eqid 2762 | . . . 4 ⊢ (Base‘𝐷) = (Base‘𝐷) | |
| 6 | eqid 2762 | . . . 4 ⊢ (Hom ‘𝐷) = (Hom ‘𝐷) | |
| 7 | 4, 5, 6 | zerooval 18090 | . . 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 50174 | . . . . . . 7 ⊢ (𝜑 → (InitO‘𝐶) = (InitO‘𝐷)) |
| 11 | fvprc 6874 | . . . . . . . 8 ⊢ (¬ 𝐶 ∈ V → (InitO‘𝐶) = ∅) | |
| 12 | 2, 11 | syl 18 | . . . . . . 7 ⊢ (𝜑 → (InitO‘𝐶) = ∅) |
| 13 | 10, 12 | eqtr3d 2799 | . . . . . 6 ⊢ (𝜑 → (InitO‘𝐷) = ∅) |
| 14 | 13 | adantr 486 | . . . . 5 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → (InitO‘𝐷) = ∅) |
| 15 | 8, 9, 2 | termopropdlem 50175 | . . . . . . 7 ⊢ (𝜑 → (TermO‘𝐶) = (TermO‘𝐷)) |
| 16 | fvprc 6874 | . . . . . . . 8 ⊢ (¬ 𝐶 ∈ V → (TermO‘𝐶) = ∅) | |
| 17 | 2, 16 | syl 18 | . . . . . . 7 ⊢ (𝜑 → (TermO‘𝐶) = ∅) |
| 18 | 15, 17 | eqtr3d 2799 | . . . . . 6 ⊢ (𝜑 → (TermO‘𝐷) = ∅) |
| 19 | 18 | adantr 486 | . . . . 5 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → (TermO‘𝐷) = ∅) |
| 20 | 14, 19 | ineq12d 4170 | . . . 4 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → ((InitO‘𝐷) ∩ (TermO‘𝐷)) = (∅ ∩ ∅)) |
| 21 | inidm 4175 | . . . 4 ⊢ (∅ ∩ ∅) = ∅ | |
| 22 | 20, 21 | eqtrdi 2813 | . . 3 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → ((InitO‘𝐷) ∩ (TermO‘𝐷)) = ∅) |
| 23 | 7, 22 | eqtrd 2797 | . 2 ⊢ ((𝜑 ∧ 𝐷 ∈ Cat) → (ZeroO‘𝐷) = ∅) |
| 24 | 1, 2, 3, 23 | initopropdlemlem 50173 | 1 ⊢ (𝜑 → (ZeroO‘𝐶) = (ZeroO‘𝐷)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 Vcvv 3453 ∩ cin 3901 ∅c0 4282 ‘cfv 6537 Basecbs 17307 Hom chom 17359 Catccat 17758 Homf chomf 17760 compfccomf 17761 InitOcinito 18076 TermOctermo 18077 ZeroOczeroo 18078 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 |
| 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 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-ov 7420 df-oprab 7421 df-mpo 7422 df-1st 7990 df-2nd 7991 df-homf 17764 df-inito 18079 df-termo 18080 df-zeroo 18081 |
| This theorem is used by: zeroopropd 50179 |
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