Step | Hyp | Ref
| Expression |
1 | | simp1 1137 |
. . . 4
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β (πΎ β HL β§ π β π»)) |
2 | | simp2 1138 |
. . . . 5
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β π β π) |
3 | | simp3 1139 |
. . . . 5
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β π β π) |
4 | 2, 3 | unssd 4186 |
. . . 4
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β (π βͺ π) β π) |
5 | | ssun1 4172 |
. . . . 5
β’ π β (π βͺ π) |
6 | 5 | a1i 11 |
. . . 4
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β π β (π βͺ π)) |
7 | | dochdmj1.h |
. . . . 5
β’ π» = (LHypβπΎ) |
8 | | dochdmj1.u |
. . . . 5
β’ π = ((DVecHβπΎ)βπ) |
9 | | dochdmj1.v |
. . . . 5
β’ π = (Baseβπ) |
10 | | dochdmj1.o |
. . . . 5
β’ β₯ =
((ocHβπΎ)βπ) |
11 | 7, 8, 9, 10 | dochss 40225 |
. . . 4
β’ (((πΎ β HL β§ π β π») β§ (π βͺ π) β π β§ π β (π βͺ π)) β ( β₯ β(π βͺ π)) β ( β₯ βπ)) |
12 | 1, 4, 6, 11 | syl3anc 1372 |
. . 3
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β ( β₯ β(π βͺ π)) β ( β₯ βπ)) |
13 | | ssun2 4173 |
. . . . 5
β’ π β (π βͺ π) |
14 | 13 | a1i 11 |
. . . 4
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β π β (π βͺ π)) |
15 | 7, 8, 9, 10 | dochss 40225 |
. . . 4
β’ (((πΎ β HL β§ π β π») β§ (π βͺ π) β π β§ π β (π βͺ π)) β ( β₯ β(π βͺ π)) β ( β₯ βπ)) |
16 | 1, 4, 14, 15 | syl3anc 1372 |
. . 3
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β ( β₯ β(π βͺ π)) β ( β₯ βπ)) |
17 | 12, 16 | ssind 4232 |
. 2
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β ( β₯ β(π βͺ π)) β (( β₯ βπ) β© ( β₯ βπ))) |
18 | | eqid 2733 |
. . . . . . 7
β’
((DIsoHβπΎ)βπ) = ((DIsoHβπΎ)βπ) |
19 | 7, 18, 8, 9, 10 | dochcl 40213 |
. . . . . 6
β’ (((πΎ β HL β§ π β π») β§ π β π) β ( β₯ βπ) β ran ((DIsoHβπΎ)βπ)) |
20 | 19 | 3adant3 1133 |
. . . . 5
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β ( β₯ βπ) β ran ((DIsoHβπΎ)βπ)) |
21 | 7, 18, 8, 9, 10 | dochcl 40213 |
. . . . . 6
β’ (((πΎ β HL β§ π β π») β§ π β π) β ( β₯ βπ) β ran ((DIsoHβπΎ)βπ)) |
22 | 21 | 3adant2 1132 |
. . . . 5
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β ( β₯ βπ) β ran ((DIsoHβπΎ)βπ)) |
23 | 7, 18 | dihmeetcl 40205 |
. . . . 5
β’ (((πΎ β HL β§ π β π») β§ (( β₯ βπ) β ran ((DIsoHβπΎ)βπ) β§ ( β₯ βπ) β ran ((DIsoHβπΎ)βπ))) β (( β₯ βπ) β© ( β₯ βπ)) β ran
((DIsoHβπΎ)βπ)) |
24 | 1, 20, 22, 23 | syl12anc 836 |
. . . 4
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β (( β₯ βπ) β© ( β₯ βπ)) β ran
((DIsoHβπΎ)βπ)) |
25 | 7, 18, 10 | dochoc 40227 |
. . . 4
β’ (((πΎ β HL β§ π β π») β§ (( β₯ βπ) β© ( β₯ βπ)) β ran
((DIsoHβπΎ)βπ)) β ( β₯ β( β₯
β(( β₯ βπ) β© ( β₯ βπ)))) = (( β₯ βπ) β© ( β₯ βπ))) |
26 | 1, 24, 25 | syl2anc 585 |
. . 3
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β ( β₯ β( β₯
β(( β₯ βπ) β© ( β₯ βπ)))) = (( β₯ βπ) β© ( β₯ βπ))) |
27 | 7, 8, 9, 10 | dochssv 40215 |
. . . . . . 7
β’ (((πΎ β HL β§ π β π») β§ π β π) β ( β₯ βπ) β π) |
28 | 27 | 3adant3 1133 |
. . . . . 6
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β ( β₯ βπ) β π) |
29 | | ssinss1 4237 |
. . . . . 6
β’ (( β₯
βπ) β π β (( β₯ βπ) β© ( β₯ βπ)) β π) |
30 | 28, 29 | syl 17 |
. . . . 5
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β (( β₯ βπ) β© ( β₯ βπ)) β π) |
31 | 7, 8, 9, 10 | dochssv 40215 |
. . . . 5
β’ (((πΎ β HL β§ π β π») β§ (( β₯ βπ) β© ( β₯ βπ)) β π) β ( β₯ β(( β₯
βπ) β© ( β₯
βπ))) β π) |
32 | 1, 30, 31 | syl2anc 585 |
. . . 4
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β ( β₯ β(( β₯
βπ) β© ( β₯
βπ))) β π) |
33 | 7, 8, 9, 10 | dochocss 40226 |
. . . . . . 7
β’ (((πΎ β HL β§ π β π») β§ π β π) β π β ( β₯ β( β₯
βπ))) |
34 | 33 | 3adant3 1133 |
. . . . . 6
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β π β ( β₯ β( β₯
βπ))) |
35 | 7, 8, 9, 10 | dochocss 40226 |
. . . . . . 7
β’ (((πΎ β HL β§ π β π») β§ π β π) β π β ( β₯ β( β₯
βπ))) |
36 | 35 | 3adant2 1132 |
. . . . . 6
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β π β ( β₯ β( β₯
βπ))) |
37 | | unss12 4182 |
. . . . . 6
β’ ((π β ( β₯ β( β₯
βπ)) β§ π β ( β₯ β( β₯
βπ))) β (π βͺ π) β (( β₯ β( β₯
βπ)) βͺ ( β₯
β( β₯ βπ)))) |
38 | 34, 36, 37 | syl2anc 585 |
. . . . 5
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β (π βͺ π) β (( β₯ β( β₯
βπ)) βͺ ( β₯
β( β₯ βπ)))) |
39 | | inss1 4228 |
. . . . . . . 8
β’ (( β₯
βπ) β© ( β₯
βπ)) β ( β₯
βπ) |
40 | 39 | a1i 11 |
. . . . . . 7
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β (( β₯ βπ) β© ( β₯ βπ)) β ( β₯ βπ)) |
41 | 7, 8, 9, 10 | dochss 40225 |
. . . . . . 7
β’ (((πΎ β HL β§ π β π») β§ ( β₯ βπ) β π β§ (( β₯ βπ) β© ( β₯ βπ)) β ( β₯ βπ)) β ( β₯ β( β₯
βπ)) β ( β₯
β(( β₯ βπ) β© ( β₯ βπ)))) |
42 | 1, 28, 40, 41 | syl3anc 1372 |
. . . . . 6
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β ( β₯ β( β₯
βπ)) β ( β₯
β(( β₯ βπ) β© ( β₯ βπ)))) |
43 | 7, 8, 9, 10 | dochssv 40215 |
. . . . . . . 8
β’ (((πΎ β HL β§ π β π») β§ π β π) β ( β₯ βπ) β π) |
44 | 43 | 3adant2 1132 |
. . . . . . 7
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β ( β₯ βπ) β π) |
45 | | inss2 4229 |
. . . . . . . 8
β’ (( β₯
βπ) β© ( β₯
βπ)) β ( β₯
βπ) |
46 | 45 | a1i 11 |
. . . . . . 7
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β (( β₯ βπ) β© ( β₯ βπ)) β ( β₯ βπ)) |
47 | 7, 8, 9, 10 | dochss 40225 |
. . . . . . 7
β’ (((πΎ β HL β§ π β π») β§ ( β₯ βπ) β π β§ (( β₯ βπ) β© ( β₯ βπ)) β ( β₯ βπ)) β ( β₯ β( β₯
βπ)) β ( β₯
β(( β₯ βπ) β© ( β₯ βπ)))) |
48 | 1, 44, 46, 47 | syl3anc 1372 |
. . . . . 6
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β ( β₯ β( β₯
βπ)) β ( β₯
β(( β₯ βπ) β© ( β₯ βπ)))) |
49 | 42, 48 | unssd 4186 |
. . . . 5
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β (( β₯ β( β₯
βπ)) βͺ ( β₯
β( β₯ βπ))) β ( β₯ β(( β₯
βπ) β© ( β₯
βπ)))) |
50 | 38, 49 | sstrd 3992 |
. . . 4
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β (π βͺ π) β ( β₯ β(( β₯
βπ) β© ( β₯
βπ)))) |
51 | 7, 8, 9, 10 | dochss 40225 |
. . . 4
β’ (((πΎ β HL β§ π β π») β§ ( β₯ β(( β₯
βπ) β© ( β₯
βπ))) β π β§ (π βͺ π) β ( β₯ β(( β₯
βπ) β© ( β₯
βπ)))) β ( β₯
β( β₯ β(( β₯
βπ) β© ( β₯
βπ)))) β (
β₯
β(π βͺ π))) |
52 | 1, 32, 50, 51 | syl3anc 1372 |
. . 3
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β ( β₯ β( β₯
β(( β₯ βπ) β© ( β₯ βπ)))) β ( β₯
β(π βͺ π))) |
53 | 26, 52 | eqsstrrd 4021 |
. 2
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β (( β₯ βπ) β© ( β₯ βπ)) β ( β₯ β(π βͺ π))) |
54 | 17, 53 | eqssd 3999 |
1
β’ (((πΎ β HL β§ π β π») β§ π β π β§ π β π) β ( β₯ β(π βͺ π)) = (( β₯ βπ) β© ( β₯ βπ))) |