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| Mirrors > Home > MPE Home > Th. List > Mathboxes > thincssc | Structured version Visualization version GIF version | ||
| Description: A thin category is a category. (Contributed by Zhi Wang, 17-Sep-2024.) |
| Ref | Expression |
|---|---|
| thincssc | ⊢ ThinCat ⊆ Cat |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | thincc 50356 | . 2 ⊢ (𝑐 ∈ ThinCat → 𝑐 ∈ Cat) | |
| 2 | 1 | ssriv 3938 | 1 ⊢ ThinCat ⊆ Cat |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ⊆ wss 3902 Catccat 17758 ThinCatcthinc 50351 |
| 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-ext 2734 ax-nul 5267 |
| 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-sb 2100 df-mo 2566 df-clab 2741 df-cleq 2754 df-clel 2837 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-sbc 3743 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-iota 6493 df-fv 6545 df-ov 7420 df-thinc 50352 |
| This theorem is used by: (None) |
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