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Theorem catprs 48800
Description: A preorder can be extracted from a category. See catprs2 48801 for more details. (Contributed by Zhi Wang, 18-Sep-2024.)
Hypotheses
Ref Expression
catprs.1 (𝜑 → ∀𝑥𝐵𝑦𝐵 (𝑥 𝑦 ↔ (𝑥𝐻𝑦) ≠ ∅))
catprs.b (𝜑𝐵 = (Base‘𝐶))
catprs.h (𝜑𝐻 = (Hom ‘𝐶))
catprs.c (𝜑𝐶 ∈ Cat)
Assertion
Ref Expression
catprs ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋 𝑋 ∧ ((𝑋 𝑌𝑌 𝑍) → 𝑋 𝑍)))
Distinct variable groups:   𝑥, ,𝑦   𝑥,𝐵,𝑦   𝑥,𝐻,𝑦
Allowed substitution hints:   𝜑(𝑥,𝑦)   𝐶(𝑥,𝑦)   𝑋(𝑥,𝑦)   𝑌(𝑥,𝑦)   𝑍(𝑥,𝑦)

Proof of Theorem catprs
StepHypRef Expression
1 eqid 2735 . . . . . 6 (Base‘𝐶) = (Base‘𝐶)
2 eqid 2735 . . . . . 6 (Hom ‘𝐶) = (Hom ‘𝐶)
3 eqid 2735 . . . . . 6 (Id‘𝐶) = (Id‘𝐶)
4 catprs.c . . . . . . 7 (𝜑𝐶 ∈ Cat)
54adantr 480 . . . . . 6 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝐶 ∈ Cat)
6 simpr1 1193 . . . . . . 7 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝑋𝐵)
7 catprs.b . . . . . . . 8 (𝜑𝐵 = (Base‘𝐶))
87adantr 480 . . . . . . 7 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝐵 = (Base‘𝐶))
96, 8eleqtrd 2841 . . . . . 6 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝑋 ∈ (Base‘𝐶))
101, 2, 3, 5, 9catidcl 17727 . . . . 5 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((Id‘𝐶)‘𝑋) ∈ (𝑋(Hom ‘𝐶)𝑋))
11 catprs.h . . . . . . 7 (𝜑𝐻 = (Hom ‘𝐶))
1211adantr 480 . . . . . 6 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝐻 = (Hom ‘𝐶))
1312oveqd 7448 . . . . 5 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋𝐻𝑋) = (𝑋(Hom ‘𝐶)𝑋))
1410, 13eleqtrrd 2842 . . . 4 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((Id‘𝐶)‘𝑋) ∈ (𝑋𝐻𝑋))
1514ne0d 4348 . . 3 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋𝐻𝑋) ≠ ∅)
16 catprs.1 . . . . 5 (𝜑 → ∀𝑥𝐵𝑦𝐵 (𝑥 𝑦 ↔ (𝑥𝐻𝑦) ≠ ∅))
1716adantr 480 . . . 4 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ∀𝑥𝐵𝑦𝐵 (𝑥 𝑦 ↔ (𝑥𝐻𝑦) ≠ ∅))
1817, 6, 6catprslem 48799 . . 3 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋 𝑋 ↔ (𝑋𝐻𝑋) ≠ ∅))
1915, 18mpbird 257 . 2 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝑋 𝑋)
2011ad2antrr 726 . . . . . 6 (((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ (𝑋 𝑌𝑌 𝑍)) → 𝐻 = (Hom ‘𝐶))
2120oveqd 7448 . . . . 5 (((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ (𝑋 𝑌𝑌 𝑍)) → (𝑋𝐻𝑍) = (𝑋(Hom ‘𝐶)𝑍))
227eleq2d 2825 . . . . . . . 8 (𝜑 → (𝑋𝐵𝑋 ∈ (Base‘𝐶)))
237eleq2d 2825 . . . . . . . 8 (𝜑 → (𝑌𝐵𝑌 ∈ (Base‘𝐶)))
247eleq2d 2825 . . . . . . . 8 (𝜑 → (𝑍𝐵𝑍 ∈ (Base‘𝐶)))
2522, 23, 243anbi123d 1435 . . . . . . 7 (𝜑 → ((𝑋𝐵𝑌𝐵𝑍𝐵) ↔ (𝑋 ∈ (Base‘𝐶) ∧ 𝑌 ∈ (Base‘𝐶) ∧ 𝑍 ∈ (Base‘𝐶))))
2625pm5.32i 574 . . . . . 6 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ↔ (𝜑 ∧ (𝑋 ∈ (Base‘𝐶) ∧ 𝑌 ∈ (Base‘𝐶) ∧ 𝑍 ∈ (Base‘𝐶))))
27 eqid 2735 . . . . . . 7 (comp‘𝐶) = (comp‘𝐶)
284ad2antrr 726 . . . . . . 7 (((𝜑 ∧ (𝑋 ∈ (Base‘𝐶) ∧ 𝑌 ∈ (Base‘𝐶) ∧ 𝑍 ∈ (Base‘𝐶))) ∧ (𝑋 𝑌𝑌 𝑍)) → 𝐶 ∈ Cat)
29 simplr1 1214 . . . . . . 7 (((𝜑 ∧ (𝑋 ∈ (Base‘𝐶) ∧ 𝑌 ∈ (Base‘𝐶) ∧ 𝑍 ∈ (Base‘𝐶))) ∧ (𝑋 𝑌𝑌 𝑍)) → 𝑋 ∈ (Base‘𝐶))
30 simplr2 1215 . . . . . . 7 (((𝜑 ∧ (𝑋 ∈ (Base‘𝐶) ∧ 𝑌 ∈ (Base‘𝐶) ∧ 𝑍 ∈ (Base‘𝐶))) ∧ (𝑋 𝑌𝑌 𝑍)) → 𝑌 ∈ (Base‘𝐶))
31 simplr3 1216 . . . . . . 7 (((𝜑 ∧ (𝑋 ∈ (Base‘𝐶) ∧ 𝑌 ∈ (Base‘𝐶) ∧ 𝑍 ∈ (Base‘𝐶))) ∧ (𝑋 𝑌𝑌 𝑍)) → 𝑍 ∈ (Base‘𝐶))
3220oveqd 7448 . . . . . . . . 9 (((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ (𝑋 𝑌𝑌 𝑍)) → (𝑋𝐻𝑌) = (𝑋(Hom ‘𝐶)𝑌))
33 simpr2 1194 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝑌𝐵)
3417, 6, 33catprslem 48799 . . . . . . . . . . 11 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋 𝑌 ↔ (𝑋𝐻𝑌) ≠ ∅))
3534biimpa 476 . . . . . . . . . 10 (((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ 𝑋 𝑌) → (𝑋𝐻𝑌) ≠ ∅)
3635adantrr 717 . . . . . . . . 9 (((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ (𝑋 𝑌𝑌 𝑍)) → (𝑋𝐻𝑌) ≠ ∅)
3732, 36eqnetrrd 3007 . . . . . . . 8 (((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ (𝑋 𝑌𝑌 𝑍)) → (𝑋(Hom ‘𝐶)𝑌) ≠ ∅)
3826, 37sylanbr 582 . . . . . . 7 (((𝜑 ∧ (𝑋 ∈ (Base‘𝐶) ∧ 𝑌 ∈ (Base‘𝐶) ∧ 𝑍 ∈ (Base‘𝐶))) ∧ (𝑋 𝑌𝑌 𝑍)) → (𝑋(Hom ‘𝐶)𝑌) ≠ ∅)
3920oveqd 7448 . . . . . . . . 9 (((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ (𝑋 𝑌𝑌 𝑍)) → (𝑌𝐻𝑍) = (𝑌(Hom ‘𝐶)𝑍))
40 simpr3 1195 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝑍𝐵)
4117, 33, 40catprslem 48799 . . . . . . . . . . 11 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑌 𝑍 ↔ (𝑌𝐻𝑍) ≠ ∅))
4241biimpa 476 . . . . . . . . . 10 (((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ 𝑌 𝑍) → (𝑌𝐻𝑍) ≠ ∅)
4342adantrl 716 . . . . . . . . 9 (((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ (𝑋 𝑌𝑌 𝑍)) → (𝑌𝐻𝑍) ≠ ∅)
4439, 43eqnetrrd 3007 . . . . . . . 8 (((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ (𝑋 𝑌𝑌 𝑍)) → (𝑌(Hom ‘𝐶)𝑍) ≠ ∅)
4526, 44sylanbr 582 . . . . . . 7 (((𝜑 ∧ (𝑋 ∈ (Base‘𝐶) ∧ 𝑌 ∈ (Base‘𝐶) ∧ 𝑍 ∈ (Base‘𝐶))) ∧ (𝑋 𝑌𝑌 𝑍)) → (𝑌(Hom ‘𝐶)𝑍) ≠ ∅)
461, 2, 27, 28, 29, 30, 31, 38, 45catcone0 17732 . . . . . 6 (((𝜑 ∧ (𝑋 ∈ (Base‘𝐶) ∧ 𝑌 ∈ (Base‘𝐶) ∧ 𝑍 ∈ (Base‘𝐶))) ∧ (𝑋 𝑌𝑌 𝑍)) → (𝑋(Hom ‘𝐶)𝑍) ≠ ∅)
4726, 46sylanb 581 . . . . 5 (((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ (𝑋 𝑌𝑌 𝑍)) → (𝑋(Hom ‘𝐶)𝑍) ≠ ∅)
4821, 47eqnetrd 3006 . . . 4 (((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ (𝑋 𝑌𝑌 𝑍)) → (𝑋𝐻𝑍) ≠ ∅)
4917, 6, 40catprslem 48799 . . . . 5 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋 𝑍 ↔ (𝑋𝐻𝑍) ≠ ∅))
5049adantr 480 . . . 4 (((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ (𝑋 𝑌𝑌 𝑍)) → (𝑋 𝑍 ↔ (𝑋𝐻𝑍) ≠ ∅))
5148, 50mpbird 257 . . 3 (((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ (𝑋 𝑌𝑌 𝑍)) → 𝑋 𝑍)
5251ex 412 . 2 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((𝑋 𝑌𝑌 𝑍) → 𝑋 𝑍))
5319, 52jca 511 1 ((𝜑 ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋 𝑋 ∧ ((𝑋 𝑌𝑌 𝑍) → 𝑋 𝑍)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wa 395  w3a 1086   = wceq 1537  wcel 2106  wne 2938  wral 3059  c0 4339   class class class wbr 5148  cfv 6563  (class class class)co 7431  Basecbs 17245  Hom chom 17309  compcco 17310  Catccat 17709  Idccid 17710
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1908  ax-6 1965  ax-7 2005  ax-8 2108  ax-9 2116  ax-10 2139  ax-11 2155  ax-12 2175  ax-ext 2706  ax-rep 5285  ax-sep 5302  ax-nul 5312  ax-pr 5438
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1540  df-fal 1550  df-ex 1777  df-nf 1781  df-sb 2063  df-mo 2538  df-eu 2567  df-clab 2713  df-cleq 2727  df-clel 2814  df-nfc 2890  df-ne 2939  df-ral 3060  df-rex 3069  df-rmo 3378  df-reu 3379  df-rab 3434  df-v 3480  df-sbc 3792  df-csb 3909  df-dif 3966  df-un 3968  df-in 3970  df-ss 3980  df-nul 4340  df-if 4532  df-sn 4632  df-pr 4634  df-op 4638  df-uni 4913  df-iun 4998  df-br 5149  df-opab 5211  df-mpt 5232  df-id 5583  df-xp 5695  df-rel 5696  df-cnv 5697  df-co 5698  df-dm 5699  df-rn 5700  df-res 5701  df-ima 5702  df-iota 6516  df-fun 6565  df-fn 6566  df-f 6567  df-f1 6568  df-fo 6569  df-f1o 6570  df-fv 6571  df-riota 7388  df-ov 7434  df-cat 17713  df-cid 17714
This theorem is referenced by:  catprs2  48801
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