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| Mirrors > Home > MPE Home > Th. List > Mathboxes > prstcthin | Structured version Visualization version GIF version | ||
| Description: The preordered set is equipped with a thin category. (Contributed by Zhi Wang, 20-Sep-2024.) |
| Ref | Expression |
|---|---|
| prstcnid.c | ⊢ (𝜑 → 𝐶 = (ProsetToCat‘𝐾)) |
| prstcnid.k | ⊢ (𝜑 → 𝐾 ∈ Proset ) |
| Ref | Expression |
|---|---|
| prstcthin | ⊢ (𝜑 → 𝐶 ∈ ThinCat) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqidd 2731 | . . 3 ⊢ (𝜑 → (Base‘𝐶) = (Base‘𝐶)) | |
| 2 | prstcnid.c | . . . 4 ⊢ (𝜑 → 𝐶 = (ProsetToCat‘𝐾)) | |
| 3 | prstcnid.k | . . . 4 ⊢ (𝜑 → 𝐾 ∈ Proset ) | |
| 4 | eqidd 2731 | . . . 4 ⊢ (𝜑 → (le‘𝐶) = (le‘𝐶)) | |
| 5 | 2, 3, 4 | prstchomval 49437 | . . 3 ⊢ (𝜑 → ((le‘𝐶) × {1o}) = (Hom ‘𝐶)) |
| 6 | ovex 7427 | . . . . 5 ⊢ (𝐾 sSet 〈(Hom ‘ndx), ((le‘𝐾) × {1o})〉) ∈ V | |
| 7 | 0ex 5270 | . . . . 5 ⊢ ∅ ∈ V | |
| 8 | ccoid 17383 | . . . . . 6 ⊢ comp = Slot (comp‘ndx) | |
| 9 | 8 | setsid 17183 | . . . . 5 ⊢ (((𝐾 sSet 〈(Hom ‘ndx), ((le‘𝐾) × {1o})〉) ∈ V ∧ ∅ ∈ V) → ∅ = (comp‘((𝐾 sSet 〈(Hom ‘ndx), ((le‘𝐾) × {1o})〉) sSet 〈(comp‘ndx), ∅〉))) |
| 10 | 6, 7, 9 | mp2an 692 | . . . 4 ⊢ ∅ = (comp‘((𝐾 sSet 〈(Hom ‘ndx), ((le‘𝐾) × {1o})〉) sSet 〈(comp‘ndx), ∅〉)) |
| 11 | 2, 3 | prstcval 49429 | . . . . 5 ⊢ (𝜑 → 𝐶 = ((𝐾 sSet 〈(Hom ‘ndx), ((le‘𝐾) × {1o})〉) sSet 〈(comp‘ndx), ∅〉)) |
| 12 | 11 | fveq2d 6869 | . . . 4 ⊢ (𝜑 → (comp‘𝐶) = (comp‘((𝐾 sSet 〈(Hom ‘ndx), ((le‘𝐾) × {1o})〉) sSet 〈(comp‘ndx), ∅〉))) |
| 13 | 10, 12 | eqtr4id 2784 | . . 3 ⊢ (𝜑 → ∅ = (comp‘𝐶)) |
| 14 | 2, 3 | prstcprs 49438 | . . 3 ⊢ (𝜑 → 𝐶 ∈ Proset ) |
| 15 | 1, 5, 13, 4, 14 | prsthinc 49342 | . 2 ⊢ (𝜑 → (𝐶 ∈ ThinCat ∧ (Id‘𝐶) = (𝑦 ∈ (Base‘𝐶) ↦ ∅))) |
| 16 | 15 | simpld 494 | 1 ⊢ (𝜑 → 𝐶 ∈ ThinCat) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2109 Vcvv 3455 ∅c0 4304 {csn 4597 〈cop 4603 ↦ cmpt 5196 × cxp 5644 ‘cfv 6519 (class class class)co 7394 1oc1o 8436 sSet csts 17139 ndxcnx 17169 Basecbs 17185 lecple 17233 Hom chom 17237 compcco 17238 Idccid 17632 Proset cproset 18259 ThinCatcthinc 49295 ProsetToCatcprstc 49427 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-rep 5242 ax-sep 5259 ax-nul 5269 ax-pow 5328 ax-pr 5395 ax-un 7718 ax-cnex 11142 ax-resscn 11143 ax-1cn 11144 ax-icn 11145 ax-addcl 11146 ax-addrcl 11147 ax-mulcl 11148 ax-mulrcl 11149 ax-mulcom 11150 ax-addass 11151 ax-mulass 11152 ax-distr 11153 ax-i2m1 11154 ax-1ne0 11155 ax-1rid 11156 ax-rnegex 11157 ax-rrecex 11158 ax-cnre 11159 ax-pre-lttri 11160 ax-pre-lttrn 11161 ax-pre-ltadd 11162 ax-pre-mulgt0 11163 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2880 df-ne 2928 df-nel 3032 df-ral 3047 df-rex 3056 df-rmo 3357 df-reu 3358 df-rab 3412 df-v 3457 df-sbc 3762 df-csb 3871 df-dif 3925 df-un 3927 df-in 3929 df-ss 3939 df-pss 3942 df-nul 4305 df-if 4497 df-pw 4573 df-sn 4598 df-pr 4600 df-op 4604 df-uni 4880 df-iun 4965 df-br 5116 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5541 df-eprel 5546 df-po 5554 df-so 5555 df-fr 5599 df-we 5601 df-xp 5652 df-rel 5653 df-cnv 5654 df-co 5655 df-dm 5656 df-rn 5657 df-res 5658 df-ima 5659 df-pred 6282 df-ord 6343 df-on 6344 df-lim 6345 df-suc 6346 df-iota 6472 df-fun 6521 df-fn 6522 df-f 6523 df-f1 6524 df-fo 6525 df-f1o 6526 df-fv 6527 df-riota 7351 df-ov 7397 df-oprab 7398 df-mpo 7399 df-om 7851 df-2nd 7978 df-frecs 8269 df-wrecs 8300 df-recs 8349 df-rdg 8387 df-1o 8443 df-er 8682 df-en 8923 df-dom 8924 df-sdom 8925 df-pnf 11228 df-mnf 11229 df-xr 11230 df-ltxr 11231 df-le 11232 df-sub 11425 df-neg 11426 df-nn 12198 df-2 12260 df-3 12261 df-4 12262 df-5 12263 df-6 12264 df-7 12265 df-8 12266 df-9 12267 df-n0 12459 df-z 12546 df-dec 12666 df-sets 17140 df-slot 17158 df-ndx 17170 df-base 17186 df-ple 17246 df-hom 17250 df-cco 17251 df-cat 17635 df-cid 17636 df-proset 18261 df-thinc 49296 df-prstc 49428 |
| This theorem is referenced by: prstchom2 49441 oduoppcciso 49444 postc 49447 discthin 49451 |
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