Theorem noetasuplem3 33571

Description: Lemma for noeta 33579. 𝑍 is an upper bound for 𝐴. Part of Theorem 5.1 of [Lipparini] p. 7-8. (Contributed by Scott Fenton, 4-Dec-2021.)

Hypotheses

Ref	Expression
noetasuplem.1	⊢ 𝑆 = if(∃𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ¬ 𝑥 <s 𝑦, ((℩𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ¬ 𝑥 <s 𝑦) ∪ {⟨dom (℩𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ¬ 𝑥 <s 𝑦), 2o⟩}), (𝑔 ∈ {𝑦 ∣ ∃𝑢 ∈ 𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣 ∈ 𝐴 (¬ 𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))} ↦ (℩𝑥∃𝑢 ∈ 𝐴 (𝑔 ∈ dom 𝑢 ∧ ∀𝑣 ∈ 𝐴 (¬ 𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑔) = (𝑣 ↾ suc 𝑔)) ∧ (𝑢‘𝑔) = 𝑥))))
noetasuplem.2	⊢ 𝑍 = (𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}))

Assertion

Ref	Expression
noetasuplem3	⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑋 <s 𝑍)

Distinct variable groups:   𝐴,𝑔,𝑢,𝑣,𝑥,𝑦   𝑢,𝑋,𝑣,𝑥,𝑦

Allowed substitution hints:   𝐵(𝑥,𝑦,𝑣,𝑢,𝑔)   𝑆(𝑥,𝑦,𝑣,𝑢,𝑔)   𝑋(𝑔)   𝑍(𝑥,𝑦,𝑣,𝑢,𝑔)

Proof of Theorem noetasuplem3

Step	Hyp	Ref	Expression
1		simpl1 1192	. . . 4 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝐴 ⊆ No )
2		simpl2 1193	. . . 4 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝐴 ∈ V)
3		simpr 488	. . . 4 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑋 ∈ 𝐴)
4		noetasuplem.1	. . . . 5 ⊢ 𝑆 = if(∃𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ¬ 𝑥 <s 𝑦, ((℩𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ¬ 𝑥 <s 𝑦) ∪ {⟨dom (℩𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ¬ 𝑥 <s 𝑦), 2o⟩}), (𝑔 ∈ {𝑦 ∣ ∃𝑢 ∈ 𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣 ∈ 𝐴 (¬ 𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))} ↦ (℩𝑥∃𝑢 ∈ 𝐴 (𝑔 ∈ dom 𝑢 ∧ ∀𝑣 ∈ 𝐴 (¬ 𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑔) = (𝑣 ↾ suc 𝑔)) ∧ (𝑢‘𝑔) = 𝑥))))
5	4	nosupbnd1 33550	. . . 4 ⊢ ((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝑋 ∈ 𝐴) → (𝑋 ↾ dom 𝑆) <s 𝑆)
6	1, 2, 3, 5	syl3anc 1372	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → (𝑋 ↾ dom 𝑆) <s 𝑆)
7		noetasuplem.2	. . . . . 6 ⊢ 𝑍 = (𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}))
8	7	reseq1i 5815	. . . . 5 ⊢ (𝑍 ↾ dom 𝑆) = ((𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o})) ↾ dom 𝑆)
9		resundir 5834	. . . . . 6 ⊢ ((𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o})) ↾ dom 𝑆) = ((𝑆 ↾ dom 𝑆) ∪ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}) ↾ dom 𝑆))
10		df-res 5531	. . . . . . . 8 ⊢ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}) ↾ dom 𝑆) = (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}) ∩ (dom 𝑆 × V))
11		disjdifr 4359	. . . . . . . . 9 ⊢ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) ∩ dom 𝑆) = ∅
12		xpdisj1 5987	. . . . . . . . 9 ⊢ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) ∩ dom 𝑆) = ∅ → (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}) ∩ (dom 𝑆 × V)) = ∅)
13	11, 12	ax-mp 5	. . . . . . . 8 ⊢ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}) ∩ (dom 𝑆 × V)) = ∅
14	10, 13	eqtri 2761	. . . . . . 7 ⊢ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}) ↾ dom 𝑆) = ∅
15	14	uneq2i 4048	. . . . . 6 ⊢ ((𝑆 ↾ dom 𝑆) ∪ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}) ↾ dom 𝑆)) = ((𝑆 ↾ dom 𝑆) ∪ ∅)
16		un0 4276	. . . . . 6 ⊢ ((𝑆 ↾ dom 𝑆) ∪ ∅) = (𝑆 ↾ dom 𝑆)
17	9, 15, 16	3eqtri 2765	. . . . 5 ⊢ ((𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o})) ↾ dom 𝑆) = (𝑆 ↾ dom 𝑆)
18	8, 17	eqtri 2761	. . . 4 ⊢ (𝑍 ↾ dom 𝑆) = (𝑆 ↾ dom 𝑆)
19	4	nosupno 33539	. . . . . . 7 ⊢ ((𝐴 ⊆ No ∧ 𝐴 ∈ V) → 𝑆 ∈ No )
20	1, 2, 19	syl2anc 587	. . . . . 6 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑆 ∈ No )
21		nofun 33485	. . . . . 6 ⊢ (𝑆 ∈ No → Fun 𝑆)
22	20, 21	syl 17	. . . . 5 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → Fun 𝑆)
23		funrel 6350	. . . . 5 ⊢ (Fun 𝑆 → Rel 𝑆)
24		resdm 5864	. . . . 5 ⊢ (Rel 𝑆 → (𝑆 ↾ dom 𝑆) = 𝑆)
25	22, 23, 24	3syl 18	. . . 4 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → (𝑆 ↾ dom 𝑆) = 𝑆)
26	18, 25	syl5eq 2785	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → (𝑍 ↾ dom 𝑆) = 𝑆)
27	6, 26	breqtrrd 5055	. 2 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → (𝑋 ↾ dom 𝑆) <s (𝑍 ↾ dom 𝑆))
28		simp1 1137	. . . 4 ⊢ ((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) → 𝐴 ⊆ No )
29	28	sselda 3875	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑋 ∈ No )
30	4, 7	noetasuplem1 33569	. . . 4 ⊢ ((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) → 𝑍 ∈ No )
31	30	adantr 484	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑍 ∈ No )
32		nodmon 33486	. . . 4 ⊢ (𝑆 ∈ No → dom 𝑆 ∈ On)
33	20, 32	syl 17	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → dom 𝑆 ∈ On)
34		sltres 33498	. . 3 ⊢ ((𝑋 ∈ No ∧ 𝑍 ∈ No ∧ dom 𝑆 ∈ On) → ((𝑋 ↾ dom 𝑆) <s (𝑍 ↾ dom 𝑆) → 𝑋 <s 𝑍))
35	29, 31, 33, 34	syl3anc 1372	. 2 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → ((𝑋 ↾ dom 𝑆) <s (𝑍 ↾ dom 𝑆) → 𝑋 <s 𝑍))
36	27, 35	mpd 15	1 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑋 <s 𝑍)

Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 399   ∧ w3a 1088   = wceq 1542   ∈ wcel 2113  {cab 2716  ∀wral 3053  ∃wrex 3054  Vcvv 3397   ∖ cdif 3838   ∪ cun 3839   ∩ cin 3840   ⊆ wss 3841  ∅c0 4209  ifcif 4411  {csn 4513  ⟨cop 4519  ∪ cuni 4793   class class class wbr 5027   ↦ cmpt 5107   × cxp 5517  dom cdm 5519   ↾ cres 5521   “ cima 5522  Rel wrel 5524  Oncon0 6166  suc csuc 6168  ℩cio 6289  Fun wfun 6327  ‘cfv 6333  ℩crio 7120  1_oc1o 8117  2_oc2o 8118   No csur 33476   <s cslt 33477   bday cbday 33478

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1916  ax-6 1974  ax-7 2019  ax-8 2115  ax-9 2123  ax-10 2144  ax-11 2161  ax-12 2178  ax-ext 2710  ax-rep 5151  ax-sep 5164  ax-nul 5171  ax-pr 5293  ax-un 7473

This theorem depends on definitions:  df-bi 210  df-an 400  df-or 847  df-3or 1089  df-3an 1090  df-tru 1545  df-fal 1555  df-ex 1787  df-nf 1791  df-sb 2074  df-mo 2540  df-eu 2570  df-clab 2717  df-cleq 2730  df-clel 2811  df-nfc 2881  df-ne 2935  df-ral 3058  df-rex 3059  df-reu 3060  df-rmo 3061  df-rab 3062  df-v 3399  df-sbc 3680  df-csb 3789  df-dif 3844  df-un 3846  df-in 3848  df-ss 3858  df-pss 3860  df-nul 4210  df-if 4412  df-pw 4487  df-sn 4514  df-pr 4516  df-tp 4518  df-op 4520  df-uni 4794  df-int 4834  df-iun 4880  df-br 5028  df-opab 5090  df-mpt 5108  df-tr 5134  df-id 5425  df-eprel 5430  df-po 5438  df-so 5439  df-fr 5478  df-we 5480  df-xp 5525  df-rel 5526  df-cnv 5527  df-co 5528  df-dm 5529  df-rn 5530  df-res 5531  df-ima 5532  df-ord 6169  df-on 6170  df-suc 6172  df-iota 6291  df-fun 6335  df-fn 6336  df-f 6337  df-f1 6338  df-fo 6339  df-f1o 6340  df-fv 6341  df-riota 7121  df-1o 8124  df-2o 8125  df-no 33479  df-slt 33480  df-bday 33481

This theorem is referenced by:  noetalem1  33577