Theorem oppchomfvalOLD 17773

Description: Obsolete proof of oppchomfval 17772 as of 14-Oct-2024. (Contributed by Mario Carneiro, 2-Jan-2017.) (Proof modification is discouraged.) (New usage is discouraged.)

Hypotheses

Ref	Expression
oppchom.h	⊢ 𝐻 = (Hom ‘𝐶)
oppchom.o	⊢ 𝑂 = (oppCat‘𝐶)

Assertion

Ref	Expression
oppchomfvalOLD	⊢ tpos 𝐻 = (Hom ‘𝑂)

Proof of Theorem oppchomfvalOLD

Dummy variables 𝑧 𝑢 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		homid 17471	. . . 4 ⊢ Hom = Slot (Hom ‘ndx)
2		1nn0 12569	. . . . . . . 8 ⊢ 1 ∈ ℕ0
3		4nn 12376	. . . . . . . 8 ⊢ 4 ∈ ℕ
4	2, 3	decnncl 12778	. . . . . . 7 ⊢ ;14 ∈ ℕ
5	4	nnrei 12302	. . . . . 6 ⊢ ;14 ∈ ℝ
6		4nn0 12572	. . . . . . 7 ⊢ 4 ∈ ℕ0
7		5nn 12379	. . . . . . 7 ⊢ 5 ∈ ℕ
8		4lt5 12470	. . . . . . 7 ⊢ 4 < 5
9	2, 6, 7, 8	declt 12786	. . . . . 6 ⊢ ;14 < ;15
10	5, 9	ltneii 11403	. . . . 5 ⊢ ;14 ≠ ;15
11		homndx 17470	. . . . . 6 ⊢ (Hom ‘ndx) = ;14
12		ccondx 17472	. . . . . 6 ⊢ (comp‘ndx) = ;15
13	11, 12	neeq12i 3013	. . . . 5 ⊢ ((Hom ‘ndx) ≠ (comp‘ndx) ↔ ;14 ≠ ;15)
14	10, 13	mpbir 231	. . . 4 ⊢ (Hom ‘ndx) ≠ (comp‘ndx)
15	1, 14	setsnid 17256	. . 3 ⊢ (Hom ‘(𝐶 sSet ⟨(Hom ‘ndx), tpos 𝐻⟩)) = (Hom ‘((𝐶 sSet ⟨(Hom ‘ndx), tpos 𝐻⟩) sSet ⟨(comp‘ndx), (𝑢 ∈ ((Base‘𝐶) × (Base‘𝐶)), 𝑧 ∈ (Base‘𝐶) ↦ tpos (⟨𝑧, (2nd ‘𝑢)⟩(comp‘𝐶)(1st ‘𝑢)))⟩))
16		oppchom.h	. . . . . 6 ⊢ 𝐻 = (Hom ‘𝐶)
17	16	fvexi 6934	. . . . 5 ⊢ 𝐻 ∈ V
18	17	tposex 8301	. . . 4 ⊢ tpos 𝐻 ∈ V
19	1	setsid 17255	. . . 4 ⊢ ((𝐶 ∈ V ∧ tpos 𝐻 ∈ V) → tpos 𝐻 = (Hom ‘(𝐶 sSet ⟨(Hom ‘ndx), tpos 𝐻⟩)))
20	18, 19	mpan2 690	. . 3 ⊢ (𝐶 ∈ V → tpos 𝐻 = (Hom ‘(𝐶 sSet ⟨(Hom ‘ndx), tpos 𝐻⟩)))
21		eqid 2740	. . . . 5 ⊢ (Base‘𝐶) = (Base‘𝐶)
22		eqid 2740	. . . . 5 ⊢ (comp‘𝐶) = (comp‘𝐶)
23		oppchom.o	. . . . 5 ⊢ 𝑂 = (oppCat‘𝐶)
24	21, 16, 22, 23	oppcval 17771	. . . 4 ⊢ (𝐶 ∈ V → 𝑂 = ((𝐶 sSet ⟨(Hom ‘ndx), tpos 𝐻⟩) sSet ⟨(comp‘ndx), (𝑢 ∈ ((Base‘𝐶) × (Base‘𝐶)), 𝑧 ∈ (Base‘𝐶) ↦ tpos (⟨𝑧, (2nd ‘𝑢)⟩(comp‘𝐶)(1st ‘𝑢)))⟩))
25	24	fveq2d 6924	. . 3 ⊢ (𝐶 ∈ V → (Hom ‘𝑂) = (Hom ‘((𝐶 sSet ⟨(Hom ‘ndx), tpos 𝐻⟩) sSet ⟨(comp‘ndx), (𝑢 ∈ ((Base‘𝐶) × (Base‘𝐶)), 𝑧 ∈ (Base‘𝐶) ↦ tpos (⟨𝑧, (2nd ‘𝑢)⟩(comp‘𝐶)(1st ‘𝑢)))⟩)))
26	15, 20, 25	3eqtr4a 2806	. 2 ⊢ (𝐶 ∈ V → tpos 𝐻 = (Hom ‘𝑂))
27		tpos0 8297	. . 3 ⊢ tpos ∅ = ∅
28		fvprc 6912	. . . . 5 ⊢ (¬ 𝐶 ∈ V → (Hom ‘𝐶) = ∅)
29	16, 28	eqtrid 2792	. . . 4 ⊢ (¬ 𝐶 ∈ V → 𝐻 = ∅)
30	29	tposeqd 8270	. . 3 ⊢ (¬ 𝐶 ∈ V → tpos 𝐻 = tpos ∅)
31		fvprc 6912	. . . . . 6 ⊢ (¬ 𝐶 ∈ V → (oppCat‘𝐶) = ∅)
32	23, 31	eqtrid 2792	. . . . 5 ⊢ (¬ 𝐶 ∈ V → 𝑂 = ∅)
33	32	fveq2d 6924	. . . 4 ⊢ (¬ 𝐶 ∈ V → (Hom ‘𝑂) = (Hom ‘∅))
34		df-hom 17335	. . . . 5 ⊢ Hom = Slot ;14
35	34	str0 17236	. . . 4 ⊢ ∅ = (Hom ‘∅)
36	33, 35	eqtr4di 2798	. . 3 ⊢ (¬ 𝐶 ∈ V → (Hom ‘𝑂) = ∅)
37	27, 30, 36	3eqtr4a 2806	. 2 ⊢ (¬ 𝐶 ∈ V → tpos 𝐻 = (Hom ‘𝑂))
38	26, 37	pm2.61i 182	1 ⊢ tpos 𝐻 = (Hom ‘𝑂)

Syntax hints:  ¬ wn 3   = wceq 1537   ∈ wcel 2108   ≠ wne 2946  Vcvv 3488  ∅c0 4352  ⟨cop 4654   × cxp 5698  ‘cfv 6573  (class class class)co 7448   ∈ cmpo 7450  1^st c1st 8028  2^nd c2nd 8029  tpos ctpos 8266  1c1 11185  4c4 12350  5c5 12351  ;cdc 12758   sSet csts 17210  ndxcnx 17240  Basecbs 17258  Hom chom 17322  compcco 17323  oppCatcoppc 17769

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1793  ax-4 1807  ax-5 1909  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-10 2141  ax-11 2158  ax-12 2178  ax-ext 2711  ax-sep 5317  ax-nul 5324  ax-pow 5383  ax-pr 5447  ax-un 7770  ax-cnex 11240  ax-resscn 11241  ax-1cn 11242  ax-icn 11243  ax-addcl 11244  ax-addrcl 11245  ax-mulcl 11246  ax-mulrcl 11247  ax-mulcom 11248  ax-addass 11249  ax-mulass 11250  ax-distr 11251  ax-i2m1 11252  ax-1ne0 11253  ax-1rid 11254  ax-rnegex 11255  ax-rrecex 11256  ax-cnre 11257  ax-pre-lttri 11258  ax-pre-lttrn 11259  ax-pre-ltadd 11260  ax-pre-mulgt0 11261

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 847  df-3or 1088  df-3an 1089  df-tru 1540  df-fal 1550  df-ex 1778  df-nf 1782  df-sb 2065  df-mo 2543  df-eu 2572  df-clab 2718  df-cleq 2732  df-clel 2819  df-nfc 2895  df-ne 2947  df-nel 3053  df-ral 3068  df-rex 3077  df-reu 3389  df-rab 3444  df-v 3490  df-sbc 3805  df-csb 3922  df-dif 3979  df-un 3981  df-in 3983  df-ss 3993  df-pss 3996  df-nul 4353  df-if 4549  df-pw 4624  df-sn 4649  df-pr 4651  df-op 4655  df-uni 4932  df-iun 5017  df-br 5167  df-opab 5229  df-mpt 5250  df-tr 5284  df-id 5593  df-eprel 5599  df-po 5607  df-so 5608  df-fr 5652  df-we 5654  df-xp 5706  df-rel 5707  df-cnv 5708  df-co 5709  df-dm 5710  df-rn 5711  df-res 5712  df-ima 5713  df-pred 6332  df-ord 6398  df-on 6399  df-lim 6400  df-suc 6401  df-iota 6525  df-fun 6575  df-fn 6576  df-f 6577  df-f1 6578  df-fo 6579  df-f1o 6580  df-fv 6581  df-riota 7404  df-ov 7451  df-oprab 7452  df-mpo 7453  df-om 7904  df-2nd 8031  df-tpos 8267  df-frecs 8322  df-wrecs 8353  df-recs 8427  df-rdg 8466  df-er 8763  df-en 9004  df-dom 9005  df-sdom 9006  df-pnf 11326  df-mnf 11327  df-xr 11328  df-ltxr 11329  df-le 11330  df-sub 11522  df-neg 11523  df-nn 12294  df-2 12356  df-3 12357  df-4 12358  df-5 12359  df-6 12360  df-7 12361  df-8 12362  df-9 12363  df-n0 12554  df-dec 12759  df-sets 17211  df-slot 17229  df-ndx 17241  df-hom 17335  df-cco 17336  df-oppc 17770

This theorem is referenced by: (None)