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| Mirrors > Home > MPE Home > Th. List > Mathboxes > tz9.1ctco | Structured version Visualization version GIF version | ||
| Description: Version of tz9.1c 9709 derived from ax-tco 37182. (Contributed by Matthew House, 6-Apr-2026.) |
| Ref | Expression |
|---|---|
| tz9.1ctco.1 | ⊢ 𝐴 ∈ V |
| Ref | Expression |
|---|---|
| tz9.1ctco | ⊢ ∩ {𝑥 ∣ (𝐴 ⊆ 𝑥 ∧ Tr 𝑥)} ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tz9.1ctco.1 | . . 3 ⊢ 𝐴 ∈ V | |
| 2 | axtco2g 37187 | . . 3 ⊢ (𝐴 ∈ V → ∃𝑥(𝐴 ⊆ 𝑥 ∧ Tr 𝑥)) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ ∃𝑥(𝐴 ⊆ 𝑥 ∧ Tr 𝑥) |
| 4 | intexab 5306 | . 2 ⊢ (∃𝑥(𝐴 ⊆ 𝑥 ∧ Tr 𝑥) ↔ ∩ {𝑥 ∣ (𝐴 ⊆ 𝑥 ∧ Tr 𝑥)} ∈ V) | |
| 5 | 3, 4 | mpbi 233 | 1 ⊢ ∩ {𝑥 ∣ (𝐴 ⊆ 𝑥 ∧ Tr 𝑥)} ∈ V |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∧ wa 401 ∃wex 1812 ∈ wcel 2145 {cab 2738 Vcvv 3450 ⊆ wss 3898 ∩ cint 4906 Tr wtr 5211 |
| 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 2213 ax-ext 2732 ax-sep 5248 ax-tco 37182 |
| 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-clab 2739 df-cleq 2752 df-clel 2835 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-dif 3901 df-in 3905 df-ss 3915 df-nul 4279 df-uni 4867 df-int 4907 df-tr 5212 |
| This theorem is used by: tz9.1tco 37193 |
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