Theorem noetalem2 33213

Description: Lemma for noeta 33217. 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
noetalem.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))))
noetalem.2	⊢ 𝑍 = (𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}))

Assertion

Ref	Expression
noetalem2	⊢ (((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 noetalem2

Step	Hyp	Ref	Expression
1		simpl1 1187	. . . 4 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝐴 ⊆ No )
2		simpl2 1188	. . . 4 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝐴 ∈ V)
3		simpr 487	. . . 4 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑋 ∈ 𝐴)
4		noetalem.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 33209	. . . 4 ⊢ ((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝑋 ∈ 𝐴) → (𝑋 ↾ dom 𝑆) <s 𝑆)
6	1, 2, 3, 5	syl3anc 1367	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → (𝑋 ↾ dom 𝑆) <s 𝑆)
7		noetalem.2	. . . . . 6 ⊢ 𝑍 = (𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}))
8	7	reseq1i 5843	. . . . 5 ⊢ (𝑍 ↾ dom 𝑆) = ((𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o})) ↾ dom 𝑆)
9		resundir 5862	. . . . . 6 ⊢ ((𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o})) ↾ dom 𝑆) = ((𝑆 ↾ dom 𝑆) ∪ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}) ↾ dom 𝑆))
10		df-res 5561	. . . . . . . 8 ⊢ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}) ↾ dom 𝑆) = (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}) ∩ (dom 𝑆 × V))
11		incom 4177	. . . . . . . . . 10 ⊢ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) ∩ dom 𝑆) = (dom 𝑆 ∩ (suc ∪ ( bday “ 𝐵) ∖ dom 𝑆))
12		disjdif 4420	. . . . . . . . . 10 ⊢ (dom 𝑆 ∩ (suc ∪ ( bday “ 𝐵) ∖ dom 𝑆)) = ∅
13	11, 12	eqtri 2844	. . . . . . . . 9 ⊢ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) ∩ dom 𝑆) = ∅
14		xpdisj1 6012	. . . . . . . . 9 ⊢ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) ∩ dom 𝑆) = ∅ → (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}) ∩ (dom 𝑆 × V)) = ∅)
15	13, 14	ax-mp 5	. . . . . . . 8 ⊢ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}) ∩ (dom 𝑆 × V)) = ∅
16	10, 15	eqtri 2844	. . . . . . 7 ⊢ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}) ↾ dom 𝑆) = ∅
17	16	uneq2i 4135	. . . . . 6 ⊢ ((𝑆 ↾ dom 𝑆) ∪ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o}) ↾ dom 𝑆)) = ((𝑆 ↾ dom 𝑆) ∪ ∅)
18		un0 4343	. . . . . 6 ⊢ ((𝑆 ↾ dom 𝑆) ∪ ∅) = (𝑆 ↾ dom 𝑆)
19	9, 17, 18	3eqtri 2848	. . . . 5 ⊢ ((𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1o})) ↾ dom 𝑆) = (𝑆 ↾ dom 𝑆)
20	8, 19	eqtri 2844	. . . 4 ⊢ (𝑍 ↾ dom 𝑆) = (𝑆 ↾ dom 𝑆)
21	4	nosupno 33198	. . . . . . 7 ⊢ ((𝐴 ⊆ No ∧ 𝐴 ∈ V) → 𝑆 ∈ No )
22	1, 2, 21	syl2anc 586	. . . . . 6 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑆 ∈ No )
23		nofun 33151	. . . . . 6 ⊢ (𝑆 ∈ No → Fun 𝑆)
24	22, 23	syl 17	. . . . 5 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → Fun 𝑆)
25		funrel 6366	. . . . 5 ⊢ (Fun 𝑆 → Rel 𝑆)
26		resdm 5891	. . . . 5 ⊢ (Rel 𝑆 → (𝑆 ↾ dom 𝑆) = 𝑆)
27	24, 25, 26	3syl 18	. . . 4 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → (𝑆 ↾ dom 𝑆) = 𝑆)
28	20, 27	syl5eq 2868	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → (𝑍 ↾ dom 𝑆) = 𝑆)
29	6, 28	breqtrrd 5086	. 2 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → (𝑋 ↾ dom 𝑆) <s (𝑍 ↾ dom 𝑆))
30		simp1 1132	. . . 4 ⊢ ((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) → 𝐴 ⊆ No )
31	30	sselda 3966	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑋 ∈ No )
32	4, 7	noetalem1 33212	. . . 4 ⊢ ((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) → 𝑍 ∈ No )
33	32	adantr 483	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑍 ∈ No )
34		nodmon 33152	. . . 4 ⊢ (𝑆 ∈ No → dom 𝑆 ∈ On)
35	22, 34	syl 17	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → dom 𝑆 ∈ On)
36		sltres 33164	. . 3 ⊢ ((𝑋 ∈ No ∧ 𝑍 ∈ No ∧ dom 𝑆 ∈ On) → ((𝑋 ↾ dom 𝑆) <s (𝑍 ↾ dom 𝑆) → 𝑋 <s 𝑍))
37	31, 33, 35, 36	syl3anc 1367	. 2 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → ((𝑋 ↾ dom 𝑆) <s (𝑍 ↾ dom 𝑆) → 𝑋 <s 𝑍))
38	29, 37	mpd 15	1 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑋 <s 𝑍)

Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 398   ∧ w3a 1083   = wceq 1533   ∈ wcel 2110  {cab 2799  ∀wral 3138  ∃wrex 3139  Vcvv 3494   ∖ cdif 3932   ∪ cun 3933   ∩ cin 3934   ⊆ wss 3935  ∅c0 4290  ifcif 4466  {csn 4560  ⟨cop 4566  ∪ cuni 4831   class class class wbr 5058   ↦ cmpt 5138   × cxp 5547  dom cdm 5549   ↾ cres 5551   “ cima 5552  Rel wrel 5554  Oncon0 6185  suc csuc 6187  ℩cio 6306  Fun wfun 6343  ‘cfv 6349  ℩crio 7107  1_oc1o 8089  2_oc2o 8090   No csur 33142   <s cslt 33143   bday cbday 33144

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 1907  ax-6 1966  ax-7 2011  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2157  ax-12 2173  ax-ext 2793  ax-rep 5182  ax-sep 5195  ax-nul 5202  ax-pow 5258  ax-pr 5321  ax-un 7455

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3or 1084  df-3an 1085  df-tru 1536  df-ex 1777  df-nf 1781  df-sb 2066  df-mo 2618  df-eu 2650  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ne 3017  df-ral 3143  df-rex 3144  df-reu 3145  df-rmo 3146  df-rab 3147  df-v 3496  df-sbc 3772  df-csb 3883  df-dif 3938  df-un 3940  df-in 3942  df-ss 3951  df-pss 3953  df-nul 4291  df-if 4467  df-pw 4540  df-sn 4561  df-pr 4563  df-tp 4565  df-op 4567  df-uni 4832  df-int 4869  df-iun 4913  df-br 5059  df-opab 5121  df-mpt 5139  df-tr 5165  df-id 5454  df-eprel 5459  df-po 5468  df-so 5469  df-fr 5508  df-we 5510  df-xp 5555  df-rel 5556  df-cnv 5557  df-co 5558  df-dm 5559  df-rn 5560  df-res 5561  df-ima 5562  df-ord 6188  df-on 6189  df-suc 6191  df-iota 6308  df-fun 6351  df-fn 6352  df-f 6353  df-f1 6354  df-fo 6355  df-f1o 6356  df-fv 6357  df-riota 7108  df-1o 8096  df-2o 8097  df-no 33145  df-slt 33146  df-bday 33147

This theorem is referenced by:  noetalem5  33216