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| Mirrors > Home > MPE Home > Th. List > Mathboxes > termcthind | Structured version Visualization version GIF version | ||
| Description: A terminal category is a thin category (deduction form). (Contributed by Zhi Wang, 16-Oct-2025.) |
| Ref | Expression |
|---|---|
| termcthind.c | ⊢ (𝜑 → 𝐶 ∈ TermCat) |
| Ref | Expression |
|---|---|
| termcthind | ⊢ (𝜑 → 𝐶 ∈ ThinCat) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | termcthind.c | . 2 ⊢ (𝜑 → 𝐶 ∈ TermCat) | |
| 2 | termcthin 50628 | . 2 ⊢ (𝐶 ∈ TermCat → 𝐶 ∈ ThinCat) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → 𝐶 ∈ ThinCat) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2144 ThinCatcthinc 50568 TermCatctermc 50623 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-un 4151 df-nul 4279 df-if 4482 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-br 5103 df-iota 6494 df-fv 6546 df-termc 50624 |
| This theorem is used by: termccatd 50630 termchommo 50636 termcid 50637 termchom 50639 oppctermco 50656 functermc 50659 fulltermc 50662 termcterm2 50665 fucterm 50693 |
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