Step | Hyp | Ref
| Expression |
1 | | ianor 980 |
. . . 4
β’ (Β¬
((π β β
β§
(π + π) β β
) β§ (π β β
β§ π β β
)) β (Β¬ (π β β
β§ (π + π) β β
) β¨ Β¬ (π β β
β§ π β
β
))) |
2 | | ianor 980 |
. . . . . 6
β’ (Β¬
(π β β
β§
(π + π) β β
) β (Β¬ π β β
β¨ Β¬ (π + π) β β
)) |
3 | | nne 2944 |
. . . . . . 7
β’ (Β¬
π β β
β π = β
) |
4 | | nne 2944 |
. . . . . . 7
β’ (Β¬
(π + π) β β
β (π + π) = β
) |
5 | 3, 4 | orbi12i 913 |
. . . . . 6
β’ ((Β¬
π β β
β¨ Β¬
(π + π) β β
) β (π = β
β¨ (π + π) = β
)) |
6 | 2, 5 | bitri 274 |
. . . . 5
β’ (Β¬
(π β β
β§
(π + π) β β
) β (π = β
β¨ (π + π) = β
)) |
7 | | ianor 980 |
. . . . . 6
β’ (Β¬
(π β β
β§ π β β
) β (Β¬
π β β
β¨ Β¬
π β
β
)) |
8 | | nne 2944 |
. . . . . . 7
β’ (Β¬
π β β
β π = β
) |
9 | | nne 2944 |
. . . . . . 7
β’ (Β¬
π β β
β π = β
) |
10 | 8, 9 | orbi12i 913 |
. . . . . 6
β’ ((Β¬
π β β
β¨ Β¬
π β β
) β
(π = β
β¨ π = β
)) |
11 | 7, 10 | bitri 274 |
. . . . 5
β’ (Β¬
(π β β
β§ π β β
) β (π = β
β¨ π = β
)) |
12 | 6, 11 | orbi12i 913 |
. . . 4
β’ ((Β¬
(π β β
β§
(π + π) β β
) β¨ Β¬ (π β β
β§ π β β
)) β ((π = β
β¨ (π + π) = β
) β¨ (π = β
β¨ π = β
))) |
13 | 1, 12 | bitri 274 |
. . 3
β’ (Β¬
((π β β
β§
(π + π) β β
) β§ (π β β
β§ π β β
)) β ((π = β
β¨ (π + π) = β
) β¨ (π = β
β¨ π = β
))) |
14 | | paddass.a |
. . . . . . . . . . 11
β’ π΄ = (AtomsβπΎ) |
15 | | paddass.p |
. . . . . . . . . . 11
β’ + =
(+πβπΎ) |
16 | 14, 15 | paddssat 38554 |
. . . . . . . . . 10
β’ ((πΎ β HL β§ π β π΄ β§ π β π΄) β (π + π) β π΄) |
17 | 16 | 3adant3r1 1182 |
. . . . . . . . 9
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (π + π) β π΄) |
18 | 14, 15 | padd02 38552 |
. . . . . . . . 9
β’ ((πΎ β HL β§ (π + π) β π΄) β (β
+ (π + π)) = (π + π)) |
19 | 17, 18 | syldan 591 |
. . . . . . . 8
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (β
+ (π + π)) = (π + π)) |
20 | 14, 15 | padd02 38552 |
. . . . . . . . . 10
β’ ((πΎ β HL β§ π β π΄) β (β
+ π) = π) |
21 | 20 | 3ad2antr2 1189 |
. . . . . . . . 9
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (β
+ π) = π) |
22 | 21 | oveq1d 7409 |
. . . . . . . 8
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β ((β
+ π) + π) = (π + π)) |
23 | 19, 22 | eqtr4d 2775 |
. . . . . . 7
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (β
+ (π + π)) = ((β
+ π) + π)) |
24 | | oveq1 7401 |
. . . . . . . 8
β’ (π = β
β (π + (π + π)) = (β
+ (π + π))) |
25 | | oveq1 7401 |
. . . . . . . . 9
β’ (π = β
β (π + π) = (β
+ π)) |
26 | 25 | oveq1d 7409 |
. . . . . . . 8
β’ (π = β
β ((π + π) + π) = ((β
+ π) + π)) |
27 | 24, 26 | eqeq12d 2748 |
. . . . . . 7
β’ (π = β
β ((π + (π + π)) = ((π + π) + π) β (β
+ (π + π)) = ((β
+ π) + π))) |
28 | 23, 27 | syl5ibrcom 246 |
. . . . . 6
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (π = β
β (π + (π + π)) = ((π + π) + π))) |
29 | | eqimss 4037 |
. . . . . 6
β’ ((π + (π + π)) = ((π + π) + π) β (π + (π + π)) β ((π + π) + π)) |
30 | 28, 29 | syl6 35 |
. . . . 5
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (π = β
β (π + (π + π)) β ((π + π) + π))) |
31 | 14, 15 | padd01 38551 |
. . . . . . . 8
β’ ((πΎ β HL β§ π β π΄) β (π + β
) = π) |
32 | 31 | 3ad2antr1 1188 |
. . . . . . 7
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (π + β
) = π) |
33 | 14, 15 | sspadd1 38555 |
. . . . . . . . 9
β’ ((πΎ β HL β§ π β π΄ β§ π β π΄) β π β (π + π)) |
34 | 33 | 3adant3r3 1184 |
. . . . . . . 8
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β π β (π + π)) |
35 | | simpl 483 |
. . . . . . . . 9
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β πΎ β HL) |
36 | 14, 15 | paddssat 38554 |
. . . . . . . . . 10
β’ ((πΎ β HL β§ π β π΄ β§ π β π΄) β (π + π) β π΄) |
37 | 36 | 3adant3r3 1184 |
. . . . . . . . 9
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (π + π) β π΄) |
38 | | simpr3 1196 |
. . . . . . . . 9
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β π β π΄) |
39 | 14, 15 | sspadd1 38555 |
. . . . . . . . 9
β’ ((πΎ β HL β§ (π + π) β π΄ β§ π β π΄) β (π + π) β ((π + π) + π)) |
40 | 35, 37, 38, 39 | syl3anc 1371 |
. . . . . . . 8
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (π + π) β ((π + π) + π)) |
41 | 34, 40 | sstrd 3989 |
. . . . . . 7
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β π β ((π + π) + π)) |
42 | 32, 41 | eqsstrd 4017 |
. . . . . 6
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (π + β
) β ((π + π) + π)) |
43 | | oveq2 7402 |
. . . . . . 7
β’ ((π + π) = β
β (π + (π + π)) = (π + β
)) |
44 | 43 | sseq1d 4010 |
. . . . . 6
β’ ((π + π) = β
β ((π + (π + π)) β ((π + π) + π) β (π + β
) β ((π + π) + π))) |
45 | 42, 44 | syl5ibrcom 246 |
. . . . 5
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β ((π + π) = β
β (π + (π + π)) β ((π + π) + π))) |
46 | 30, 45 | jaod 857 |
. . . 4
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β ((π = β
β¨ (π + π) = β
) β (π + (π + π)) β ((π + π) + π))) |
47 | 14, 15 | padd02 38552 |
. . . . . . . . . 10
β’ ((πΎ β HL β§ π β π΄) β (β
+ π) = π) |
48 | 47 | 3ad2antr3 1190 |
. . . . . . . . 9
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (β
+ π) = π) |
49 | 48 | oveq2d 7410 |
. . . . . . . 8
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (π + (β
+ π)) = (π + π)) |
50 | 32 | oveq1d 7409 |
. . . . . . . 8
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β ((π + β
) + π) = (π + π)) |
51 | 49, 50 | eqtr4d 2775 |
. . . . . . 7
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (π + (β
+ π)) = ((π + β
) + π)) |
52 | | oveq1 7401 |
. . . . . . . . 9
β’ (π = β
β (π + π) = (β
+ π)) |
53 | 52 | oveq2d 7410 |
. . . . . . . 8
β’ (π = β
β (π + (π + π)) = (π + (β
+ π))) |
54 | | oveq2 7402 |
. . . . . . . . 9
β’ (π = β
β (π + π) = (π + β
)) |
55 | 54 | oveq1d 7409 |
. . . . . . . 8
β’ (π = β
β ((π + π) + π) = ((π + β
) + π)) |
56 | 53, 55 | eqeq12d 2748 |
. . . . . . 7
β’ (π = β
β ((π + (π + π)) = ((π + π) + π) β (π + (β
+ π)) = ((π + β
) + π))) |
57 | 51, 56 | syl5ibrcom 246 |
. . . . . 6
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (π = β
β (π + (π + π)) = ((π + π) + π))) |
58 | 14, 15 | padd01 38551 |
. . . . . . . . . 10
β’ ((πΎ β HL β§ π β π΄) β (π + β
) = π) |
59 | 58 | 3ad2antr2 1189 |
. . . . . . . . 9
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (π + β
) = π) |
60 | 59 | oveq2d 7410 |
. . . . . . . 8
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (π + (π + β
)) = (π + π)) |
61 | 14, 15 | padd01 38551 |
. . . . . . . . 9
β’ ((πΎ β HL β§ (π + π) β π΄) β ((π + π) + β
) = (π + π)) |
62 | 37, 61 | syldan 591 |
. . . . . . . 8
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β ((π + π) + β
) = (π + π)) |
63 | 60, 62 | eqtr4d 2775 |
. . . . . . 7
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (π + (π + β
)) = ((π + π) + β
)) |
64 | | oveq2 7402 |
. . . . . . . . 9
β’ (π = β
β (π + π) = (π + β
)) |
65 | 64 | oveq2d 7410 |
. . . . . . . 8
β’ (π = β
β (π + (π + π)) = (π + (π +
β
))) |
66 | | oveq2 7402 |
. . . . . . . 8
β’ (π = β
β ((π + π) + π) = ((π + π) + β
)) |
67 | 65, 66 | eqeq12d 2748 |
. . . . . . 7
β’ (π = β
β ((π + (π + π)) = ((π + π) + π) β (π + (π + β
)) = ((π + π) +
β
))) |
68 | 63, 67 | syl5ibrcom 246 |
. . . . . 6
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (π = β
β (π + (π + π)) = ((π + π) + π))) |
69 | 57, 68 | jaod 857 |
. . . . 5
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β ((π = β
β¨ π = β
) β (π + (π + π)) = ((π + π) + π))) |
70 | 69, 29 | syl6 35 |
. . . 4
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β ((π = β
β¨ π = β
) β (π + (π + π)) β ((π + π) + π))) |
71 | 46, 70 | jaod 857 |
. . 3
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (((π = β
β¨ (π + π) = β
) β¨ (π = β
β¨ π = β
)) β (π + (π + π)) β ((π + π) + π))) |
72 | 13, 71 | biimtrid 241 |
. 2
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄)) β (Β¬ ((π β β
β§ (π + π) β β
) β§ (π β β
β§ π β β
)) β (π + (π + π)) β ((π + π) + π))) |
73 | 72 | 3impia 1117 |
1
β’ ((πΎ β HL β§ (π β π΄ β§ π β π΄ β§ π β π΄) β§ Β¬ ((π β β
β§ (π + π) β β
) β§ (π β β
β§ π β β
))) β (π + (π + π)) β ((π + π) + π)) |