Theorem gchhar 10567

Description: A "local" form of gchac 10569. If 𝐴 and 𝒫 𝐴 are GCH-sets, then the Hartogs number of 𝐴 is 𝒫 𝐴 (so 𝒫 𝐴 and a fortiori 𝐴 are well-orderable). The proof is due to Specker. Theorem 2.1 of [KanamoriPincus] p. 419. (Contributed by Mario Carneiro, 31-May-2015.)

Assertion

Ref	Expression
gchhar	⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (har‘𝐴) ≈ 𝒫 𝐴)

Proof of Theorem gchhar

Step	Hyp	Ref	Expression
1		harcl 9445	. . . 4 ⊢ (har‘𝐴) ∈ On
2		simp3 1138	. . . 4 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 𝐴 ∈ GCH)
3		djudoml 10073	. . . 4 ⊢ (((har‘𝐴) ∈ On ∧ 𝒫 𝐴 ∈ GCH) → (har‘𝐴) ≼ ((har‘𝐴) ⊔ 𝒫 𝐴))
4	1, 2, 3	sylancr 587	. . 3 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (har‘𝐴) ≼ ((har‘𝐴) ⊔ 𝒫 𝐴))
5		domnsym 9016	. . . . . . . . 9 ⊢ (ω ≼ 𝐴 → ¬ 𝐴 ≺ ω)
6	5	3ad2ant1 1133	. . . . . . . 8 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → ¬ 𝐴 ≺ ω)
7		isfinite 9542	. . . . . . . 8 ⊢ (𝐴 ∈ Fin ↔ 𝐴 ≺ ω)
8	6, 7	sylnibr 329	. . . . . . 7 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → ¬ 𝐴 ∈ Fin)
9		pwfi 9203	. . . . . . 7 ⊢ (𝐴 ∈ Fin ↔ 𝒫 𝐴 ∈ Fin)
10	8, 9	sylnib 328	. . . . . 6 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → ¬ 𝒫 𝐴 ∈ Fin)
11		djudoml 10073	. . . . . . 7 ⊢ ((𝒫 𝐴 ∈ GCH ∧ (har‘𝐴) ∈ On) → 𝒫 𝐴 ≼ (𝒫 𝐴 ⊔ (har‘𝐴)))
12	2, 1, 11	sylancl 586	. . . . . 6 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 𝐴 ≼ (𝒫 𝐴 ⊔ (har‘𝐴)))
13		fvexd 6837	. . . . . . . . 9 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (har‘𝐴) ∈ V)
14		djuex 9798	. . . . . . . . 9 ⊢ ((𝒫 𝐴 ∈ GCH ∧ (har‘𝐴) ∈ V) → (𝒫 𝐴 ⊔ (har‘𝐴)) ∈ V)
15	2, 13, 14	syl2anc 584	. . . . . . . 8 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝒫 𝐴 ⊔ (har‘𝐴)) ∈ V)
16		canth2g 9044	. . . . . . . 8 ⊢ ((𝒫 𝐴 ⊔ (har‘𝐴)) ∈ V → (𝒫 𝐴 ⊔ (har‘𝐴)) ≺ 𝒫 (𝒫 𝐴 ⊔ (har‘𝐴)))
17	15, 16	syl 17	. . . . . . 7 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝒫 𝐴 ⊔ (har‘𝐴)) ≺ 𝒫 (𝒫 𝐴 ⊔ (har‘𝐴)))
18		pwdjuen 10070	. . . . . . . . 9 ⊢ ((𝒫 𝐴 ∈ GCH ∧ (har‘𝐴) ∈ On) → 𝒫 (𝒫 𝐴 ⊔ (har‘𝐴)) ≈ (𝒫 𝒫 𝐴 × 𝒫 (har‘𝐴)))
19	2, 1, 18	sylancl 586	. . . . . . . 8 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 (𝒫 𝐴 ⊔ (har‘𝐴)) ≈ (𝒫 𝒫 𝐴 × 𝒫 (har‘𝐴)))
20	2	pwexd 5317	. . . . . . . . . 10 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 𝒫 𝐴 ∈ V)
21		simp2 1137	. . . . . . . . . . 11 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝐴 ∈ GCH)
22		harwdom 9477	. . . . . . . . . . 11 ⊢ (𝐴 ∈ GCH → (har‘𝐴) ≼* 𝒫 (𝐴 × 𝐴))
23		wdompwdom 9464	. . . . . . . . . . 11 ⊢ ((har‘𝐴) ≼* 𝒫 (𝐴 × 𝐴) → 𝒫 (har‘𝐴) ≼ 𝒫 𝒫 (𝐴 × 𝐴))
24	21, 22, 23	3syl 18	. . . . . . . . . 10 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 (har‘𝐴) ≼ 𝒫 𝒫 (𝐴 × 𝐴))
25		xpdom2g 8986	. . . . . . . . . 10 ⊢ ((𝒫 𝒫 𝐴 ∈ V ∧ 𝒫 (har‘𝐴) ≼ 𝒫 𝒫 (𝐴 × 𝐴)) → (𝒫 𝒫 𝐴 × 𝒫 (har‘𝐴)) ≼ (𝒫 𝒫 𝐴 × 𝒫 𝒫 (𝐴 × 𝐴)))
26	20, 24, 25	syl2anc 584	. . . . . . . . 9 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝒫 𝒫 𝐴 × 𝒫 (har‘𝐴)) ≼ (𝒫 𝒫 𝐴 × 𝒫 𝒫 (𝐴 × 𝐴)))
27	21, 21	xpexd 7684	. . . . . . . . . . . . 13 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝐴 × 𝐴) ∈ V)
28	27	pwexd 5317	. . . . . . . . . . . 12 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 (𝐴 × 𝐴) ∈ V)
29		pwdjuen 10070	. . . . . . . . . . . 12 ⊢ ((𝒫 𝐴 ∈ GCH ∧ 𝒫 (𝐴 × 𝐴) ∈ V) → 𝒫 (𝒫 𝐴 ⊔ 𝒫 (𝐴 × 𝐴)) ≈ (𝒫 𝒫 𝐴 × 𝒫 𝒫 (𝐴 × 𝐴)))
30	2, 28, 29	syl2anc 584	. . . . . . . . . . 11 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 (𝒫 𝐴 ⊔ 𝒫 (𝐴 × 𝐴)) ≈ (𝒫 𝒫 𝐴 × 𝒫 𝒫 (𝐴 × 𝐴)))
31	30	ensymd 8927	. . . . . . . . . 10 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝒫 𝒫 𝐴 × 𝒫 𝒫 (𝐴 × 𝐴)) ≈ 𝒫 (𝒫 𝐴 ⊔ 𝒫 (𝐴 × 𝐴)))
32		enrefg 8906	. . . . . . . . . . . . . 14 ⊢ (𝒫 𝐴 ∈ GCH → 𝒫 𝐴 ≈ 𝒫 𝐴)
33	2, 32	syl 17	. . . . . . . . . . . . 13 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 𝐴 ≈ 𝒫 𝐴)
34		gchxpidm 10557	. . . . . . . . . . . . . . 15 ⊢ ((𝐴 ∈ GCH ∧ ¬ 𝐴 ∈ Fin) → (𝐴 × 𝐴) ≈ 𝐴)
35	21, 8, 34	syl2anc 584	. . . . . . . . . . . . . 14 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝐴 × 𝐴) ≈ 𝐴)
36		pwen 9063	. . . . . . . . . . . . . 14 ⊢ ((𝐴 × 𝐴) ≈ 𝐴 → 𝒫 (𝐴 × 𝐴) ≈ 𝒫 𝐴)
37	35, 36	syl 17	. . . . . . . . . . . . 13 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 (𝐴 × 𝐴) ≈ 𝒫 𝐴)
38		djuen 10058	. . . . . . . . . . . . 13 ⊢ ((𝒫 𝐴 ≈ 𝒫 𝐴 ∧ 𝒫 (𝐴 × 𝐴) ≈ 𝒫 𝐴) → (𝒫 𝐴 ⊔ 𝒫 (𝐴 × 𝐴)) ≈ (𝒫 𝐴 ⊔ 𝒫 𝐴))
39	33, 37, 38	syl2anc 584	. . . . . . . . . . . 12 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝒫 𝐴 ⊔ 𝒫 (𝐴 × 𝐴)) ≈ (𝒫 𝐴 ⊔ 𝒫 𝐴))
40		gchdjuidm 10556	. . . . . . . . . . . . 13 ⊢ ((𝒫 𝐴 ∈ GCH ∧ ¬ 𝒫 𝐴 ∈ Fin) → (𝒫 𝐴 ⊔ 𝒫 𝐴) ≈ 𝒫 𝐴)
41	2, 10, 40	syl2anc 584	. . . . . . . . . . . 12 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝒫 𝐴 ⊔ 𝒫 𝐴) ≈ 𝒫 𝐴)
42		entr 8928	. . . . . . . . . . . 12 ⊢ (((𝒫 𝐴 ⊔ 𝒫 (𝐴 × 𝐴)) ≈ (𝒫 𝐴 ⊔ 𝒫 𝐴) ∧ (𝒫 𝐴 ⊔ 𝒫 𝐴) ≈ 𝒫 𝐴) → (𝒫 𝐴 ⊔ 𝒫 (𝐴 × 𝐴)) ≈ 𝒫 𝐴)
43	39, 41, 42	syl2anc 584	. . . . . . . . . . 11 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝒫 𝐴 ⊔ 𝒫 (𝐴 × 𝐴)) ≈ 𝒫 𝐴)
44		pwen 9063	. . . . . . . . . . 11 ⊢ ((𝒫 𝐴 ⊔ 𝒫 (𝐴 × 𝐴)) ≈ 𝒫 𝐴 → 𝒫 (𝒫 𝐴 ⊔ 𝒫 (𝐴 × 𝐴)) ≈ 𝒫 𝒫 𝐴)
45	43, 44	syl 17	. . . . . . . . . 10 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 (𝒫 𝐴 ⊔ 𝒫 (𝐴 × 𝐴)) ≈ 𝒫 𝒫 𝐴)
46		entr 8928	. . . . . . . . . 10 ⊢ (((𝒫 𝒫 𝐴 × 𝒫 𝒫 (𝐴 × 𝐴)) ≈ 𝒫 (𝒫 𝐴 ⊔ 𝒫 (𝐴 × 𝐴)) ∧ 𝒫 (𝒫 𝐴 ⊔ 𝒫 (𝐴 × 𝐴)) ≈ 𝒫 𝒫 𝐴) → (𝒫 𝒫 𝐴 × 𝒫 𝒫 (𝐴 × 𝐴)) ≈ 𝒫 𝒫 𝐴)
47	31, 45, 46	syl2anc 584	. . . . . . . . 9 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝒫 𝒫 𝐴 × 𝒫 𝒫 (𝐴 × 𝐴)) ≈ 𝒫 𝒫 𝐴)
48		domentr 8935	. . . . . . . . 9 ⊢ (((𝒫 𝒫 𝐴 × 𝒫 (har‘𝐴)) ≼ (𝒫 𝒫 𝐴 × 𝒫 𝒫 (𝐴 × 𝐴)) ∧ (𝒫 𝒫 𝐴 × 𝒫 𝒫 (𝐴 × 𝐴)) ≈ 𝒫 𝒫 𝐴) → (𝒫 𝒫 𝐴 × 𝒫 (har‘𝐴)) ≼ 𝒫 𝒫 𝐴)
49	26, 47, 48	syl2anc 584	. . . . . . . 8 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝒫 𝒫 𝐴 × 𝒫 (har‘𝐴)) ≼ 𝒫 𝒫 𝐴)
50		endomtr 8934	. . . . . . . 8 ⊢ ((𝒫 (𝒫 𝐴 ⊔ (har‘𝐴)) ≈ (𝒫 𝒫 𝐴 × 𝒫 (har‘𝐴)) ∧ (𝒫 𝒫 𝐴 × 𝒫 (har‘𝐴)) ≼ 𝒫 𝒫 𝐴) → 𝒫 (𝒫 𝐴 ⊔ (har‘𝐴)) ≼ 𝒫 𝒫 𝐴)
51	19, 49, 50	syl2anc 584	. . . . . . 7 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 (𝒫 𝐴 ⊔ (har‘𝐴)) ≼ 𝒫 𝒫 𝐴)
52		sdomdomtr 9023	. . . . . . 7 ⊢ (((𝒫 𝐴 ⊔ (har‘𝐴)) ≺ 𝒫 (𝒫 𝐴 ⊔ (har‘𝐴)) ∧ 𝒫 (𝒫 𝐴 ⊔ (har‘𝐴)) ≼ 𝒫 𝒫 𝐴) → (𝒫 𝐴 ⊔ (har‘𝐴)) ≺ 𝒫 𝒫 𝐴)
53	17, 51, 52	syl2anc 584	. . . . . 6 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝒫 𝐴 ⊔ (har‘𝐴)) ≺ 𝒫 𝒫 𝐴)
54		gchen1 10513	. . . . . 6 ⊢ (((𝒫 𝐴 ∈ GCH ∧ ¬ 𝒫 𝐴 ∈ Fin) ∧ (𝒫 𝐴 ≼ (𝒫 𝐴 ⊔ (har‘𝐴)) ∧ (𝒫 𝐴 ⊔ (har‘𝐴)) ≺ 𝒫 𝒫 𝐴)) → 𝒫 𝐴 ≈ (𝒫 𝐴 ⊔ (har‘𝐴)))
55	2, 10, 12, 53, 54	syl22anc 838	. . . . 5 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 𝐴 ≈ (𝒫 𝐴 ⊔ (har‘𝐴)))
56		djucomen 10066	. . . . . 6 ⊢ ((𝒫 𝐴 ∈ GCH ∧ (har‘𝐴) ∈ V) → (𝒫 𝐴 ⊔ (har‘𝐴)) ≈ ((har‘𝐴) ⊔ 𝒫 𝐴))
57	2, 13, 56	syl2anc 584	. . . . 5 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝒫 𝐴 ⊔ (har‘𝐴)) ≈ ((har‘𝐴) ⊔ 𝒫 𝐴))
58		entr 8928	. . . . 5 ⊢ ((𝒫 𝐴 ≈ (𝒫 𝐴 ⊔ (har‘𝐴)) ∧ (𝒫 𝐴 ⊔ (har‘𝐴)) ≈ ((har‘𝐴) ⊔ 𝒫 𝐴)) → 𝒫 𝐴 ≈ ((har‘𝐴) ⊔ 𝒫 𝐴))
59	55, 57, 58	syl2anc 584	. . . 4 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 𝐴 ≈ ((har‘𝐴) ⊔ 𝒫 𝐴))
60	59	ensymd 8927	. . 3 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → ((har‘𝐴) ⊔ 𝒫 𝐴) ≈ 𝒫 𝐴)
61		domentr 8935	. . 3 ⊢ (((har‘𝐴) ≼ ((har‘𝐴) ⊔ 𝒫 𝐴) ∧ ((har‘𝐴) ⊔ 𝒫 𝐴) ≈ 𝒫 𝐴) → (har‘𝐴) ≼ 𝒫 𝐴)
62	4, 60, 61	syl2anc 584	. 2 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (har‘𝐴) ≼ 𝒫 𝐴)
63		gchdjuidm 10556	. . . . . 6 ⊢ ((𝐴 ∈ GCH ∧ ¬ 𝐴 ∈ Fin) → (𝐴 ⊔ 𝐴) ≈ 𝐴)
64	21, 8, 63	syl2anc 584	. . . . 5 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝐴 ⊔ 𝐴) ≈ 𝐴)
65		pwen 9063	. . . . 5 ⊢ ((𝐴 ⊔ 𝐴) ≈ 𝐴 → 𝒫 (𝐴 ⊔ 𝐴) ≈ 𝒫 𝐴)
66	64, 65	syl 17	. . . 4 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 (𝐴 ⊔ 𝐴) ≈ 𝒫 𝐴)
67		djudoml 10073	. . . . . . . 8 ⊢ ((𝐴 ∈ GCH ∧ (har‘𝐴) ∈ On) → 𝐴 ≼ (𝐴 ⊔ (har‘𝐴)))
68	21, 1, 67	sylancl 586	. . . . . . 7 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝐴 ≼ (𝐴 ⊔ (har‘𝐴)))
69		harndom 9448	. . . . . . . 8 ⊢ ¬ (har‘𝐴) ≼ 𝐴
70		djudoml 10073	. . . . . . . . . . 11 ⊢ (((har‘𝐴) ∈ On ∧ 𝐴 ∈ GCH) → (har‘𝐴) ≼ ((har‘𝐴) ⊔ 𝐴))
71	1, 21, 70	sylancr 587	. . . . . . . . . 10 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (har‘𝐴) ≼ ((har‘𝐴) ⊔ 𝐴))
72		djucomen 10066	. . . . . . . . . . 11 ⊢ (((har‘𝐴) ∈ On ∧ 𝐴 ∈ GCH) → ((har‘𝐴) ⊔ 𝐴) ≈ (𝐴 ⊔ (har‘𝐴)))
73	1, 21, 72	sylancr 587	. . . . . . . . . 10 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → ((har‘𝐴) ⊔ 𝐴) ≈ (𝐴 ⊔ (har‘𝐴)))
74		domentr 8935	. . . . . . . . . 10 ⊢ (((har‘𝐴) ≼ ((har‘𝐴) ⊔ 𝐴) ∧ ((har‘𝐴) ⊔ 𝐴) ≈ (𝐴 ⊔ (har‘𝐴))) → (har‘𝐴) ≼ (𝐴 ⊔ (har‘𝐴)))
75	71, 73, 74	syl2anc 584	. . . . . . . . 9 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (har‘𝐴) ≼ (𝐴 ⊔ (har‘𝐴)))
76		domen2 9033	. . . . . . . . 9 ⊢ (𝐴 ≈ (𝐴 ⊔ (har‘𝐴)) → ((har‘𝐴) ≼ 𝐴 ↔ (har‘𝐴) ≼ (𝐴 ⊔ (har‘𝐴))))
77	75, 76	syl5ibrcom 247	. . . . . . . 8 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝐴 ≈ (𝐴 ⊔ (har‘𝐴)) → (har‘𝐴) ≼ 𝐴))
78	69, 77	mtoi 199	. . . . . . 7 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → ¬ 𝐴 ≈ (𝐴 ⊔ (har‘𝐴)))
79		brsdom 8897	. . . . . . 7 ⊢ (𝐴 ≺ (𝐴 ⊔ (har‘𝐴)) ↔ (𝐴 ≼ (𝐴 ⊔ (har‘𝐴)) ∧ ¬ 𝐴 ≈ (𝐴 ⊔ (har‘𝐴))))
80	68, 78, 79	sylanbrc 583	. . . . . 6 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝐴 ≺ (𝐴 ⊔ (har‘𝐴)))
81		canth2g 9044	. . . . . . . . . 10 ⊢ (𝐴 ∈ GCH → 𝐴 ≺ 𝒫 𝐴)
82		sdomdom 8902	. . . . . . . . . 10 ⊢ (𝐴 ≺ 𝒫 𝐴 → 𝐴 ≼ 𝒫 𝐴)
83	21, 81, 82	3syl 18	. . . . . . . . 9 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝐴 ≼ 𝒫 𝐴)
84		djudom1 10071	. . . . . . . . 9 ⊢ ((𝐴 ≼ 𝒫 𝐴 ∧ (har‘𝐴) ∈ On) → (𝐴 ⊔ (har‘𝐴)) ≼ (𝒫 𝐴 ⊔ (har‘𝐴)))
85	83, 1, 84	sylancl 586	. . . . . . . 8 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝐴 ⊔ (har‘𝐴)) ≼ (𝒫 𝐴 ⊔ (har‘𝐴)))
86		djudom2 10072	. . . . . . . . 9 ⊢ (((har‘𝐴) ≼ 𝒫 𝐴 ∧ 𝒫 𝐴 ∈ GCH) → (𝒫 𝐴 ⊔ (har‘𝐴)) ≼ (𝒫 𝐴 ⊔ 𝒫 𝐴))
87	62, 2, 86	syl2anc 584	. . . . . . . 8 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝒫 𝐴 ⊔ (har‘𝐴)) ≼ (𝒫 𝐴 ⊔ 𝒫 𝐴))
88		domtr 8929	. . . . . . . 8 ⊢ (((𝐴 ⊔ (har‘𝐴)) ≼ (𝒫 𝐴 ⊔ (har‘𝐴)) ∧ (𝒫 𝐴 ⊔ (har‘𝐴)) ≼ (𝒫 𝐴 ⊔ 𝒫 𝐴)) → (𝐴 ⊔ (har‘𝐴)) ≼ (𝒫 𝐴 ⊔ 𝒫 𝐴))
89	85, 87, 88	syl2anc 584	. . . . . . 7 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝐴 ⊔ (har‘𝐴)) ≼ (𝒫 𝐴 ⊔ 𝒫 𝐴))
90		domentr 8935	. . . . . . 7 ⊢ (((𝐴 ⊔ (har‘𝐴)) ≼ (𝒫 𝐴 ⊔ 𝒫 𝐴) ∧ (𝒫 𝐴 ⊔ 𝒫 𝐴) ≈ 𝒫 𝐴) → (𝐴 ⊔ (har‘𝐴)) ≼ 𝒫 𝐴)
91	89, 41, 90	syl2anc 584	. . . . . 6 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝐴 ⊔ (har‘𝐴)) ≼ 𝒫 𝐴)
92		gchen2 10514	. . . . . 6 ⊢ (((𝐴 ∈ GCH ∧ ¬ 𝐴 ∈ Fin) ∧ (𝐴 ≺ (𝐴 ⊔ (har‘𝐴)) ∧ (𝐴 ⊔ (har‘𝐴)) ≼ 𝒫 𝐴)) → (𝐴 ⊔ (har‘𝐴)) ≈ 𝒫 𝐴)
93	21, 8, 80, 91, 92	syl22anc 838	. . . . 5 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (𝐴 ⊔ (har‘𝐴)) ≈ 𝒫 𝐴)
94	93	ensymd 8927	. . . 4 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 𝐴 ≈ (𝐴 ⊔ (har‘𝐴)))
95		entr 8928	. . . 4 ⊢ ((𝒫 (𝐴 ⊔ 𝐴) ≈ 𝒫 𝐴 ∧ 𝒫 𝐴 ≈ (𝐴 ⊔ (har‘𝐴))) → 𝒫 (𝐴 ⊔ 𝐴) ≈ (𝐴 ⊔ (har‘𝐴)))
96	66, 94, 95	syl2anc 584	. . 3 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 (𝐴 ⊔ 𝐴) ≈ (𝐴 ⊔ (har‘𝐴)))
97		endom 8901	. . 3 ⊢ (𝒫 (𝐴 ⊔ 𝐴) ≈ (𝐴 ⊔ (har‘𝐴)) → 𝒫 (𝐴 ⊔ 𝐴) ≼ (𝐴 ⊔ (har‘𝐴)))
98		pwdjudom 10103	. . 3 ⊢ (𝒫 (𝐴 ⊔ 𝐴) ≼ (𝐴 ⊔ (har‘𝐴)) → 𝒫 𝐴 ≼ (har‘𝐴))
99	96, 97, 98	3syl 18	. 2 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → 𝒫 𝐴 ≼ (har‘𝐴))
100		sbth 9010	. 2 ⊢ (((har‘𝐴) ≼ 𝒫 𝐴 ∧ 𝒫 𝐴 ≼ (har‘𝐴)) → (har‘𝐴) ≈ 𝒫 𝐴)
101	62, 99, 100	syl2anc 584	1 ⊢ ((ω ≼ 𝐴 ∧ 𝐴 ∈ GCH ∧ 𝒫 𝐴 ∈ GCH) → (har‘𝐴) ≈ 𝒫 𝐴)

Syntax hints:  ¬ wn 3   → wi 4   ∧ w3a 1086   ∈ wcel 2111  Vcvv 3436  𝒫 cpw 4550   class class class wbr 5091   × cxp 5614  Oncon0 6306  ‘cfv 6481  ωcom 7796   ≈ cen 8866   ≼ cdom 8867   ≺ csdm 8868  Fincfn 8869  harchar 9442   ≼^* cwdom 9450   ⊔ cdju 9788  GCHcgch 10508

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2113  ax-9 2121  ax-10 2144  ax-11 2160  ax-12 2180  ax-ext 2703  ax-rep 5217  ax-sep 5234  ax-nul 5244  ax-pow 5303  ax-pr 5370  ax-un 7668  ax-inf2 9531

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2535  df-eu 2564  df-clab 2710  df-cleq 2723  df-clel 2806  df-nfc 2881  df-ne 2929  df-ral 3048  df-rex 3057  df-rmo 3346  df-reu 3347  df-rab 3396  df-v 3438  df-sbc 3742  df-csb 3851  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-pss 3922  df-nul 4284  df-if 4476  df-pw 4552  df-sn 4577  df-pr 4579  df-tp 4581  df-op 4583  df-uni 4860  df-int 4898  df-iun 4943  df-br 5092  df-opab 5154  df-mpt 5173  df-tr 5199  df-id 5511  df-eprel 5516  df-po 5524  df-so 5525  df-fr 5569  df-se 5570  df-we 5571  df-xp 5622  df-rel 5623  df-cnv 5624  df-co 5625  df-dm 5626  df-rn 5627  df-res 5628  df-ima 5629  df-pred 6248  df-ord 6309  df-on 6310  df-lim 6311  df-suc 6312  df-iota 6437  df-fun 6483  df-fn 6484  df-f 6485  df-f1 6486  df-fo 6487  df-f1o 6488  df-fv 6489  df-isom 6490  df-riota 7303  df-ov 7349  df-oprab 7350  df-mpo 7351  df-om 7797  df-1st 7921  df-2nd 7922  df-supp 8091  df-frecs 8211  df-wrecs 8242  df-recs 8291  df-rdg 8329  df-seqom 8367  df-1o 8385  df-2o 8386  df-oadd 8389  df-omul 8390  df-oexp 8391  df-er 8622  df-map 8752  df-en 8870  df-dom 8871  df-sdom 8872  df-fin 8873  df-fsupp 9246  df-oi 9396  df-har 9443  df-wdom 9451  df-cnf 9552  df-dju 9791  df-card 9829  df-fin4 10175  df-gch 10509

This theorem is referenced by:  gchacg  10568