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Mirrors > Home > QLE Home > Th. List > cancellem | Unicode version |
Description: Lemma for cancellation law eliminating consequent. |
Ref | Expression |
---|---|
cancel.1 |
Ref | Expression |
---|---|
cancellem |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | i1abs 801 | . . 3 | |
2 | 1 | ax-r1 35 | . 2 |
3 | leo 158 | . . . . 5 | |
4 | cancel.1 | . . . . . . 7 | |
5 | df-i1 44 | . . . . . . 7 | |
6 | 4, 5 | ax-r2 36 | . . . . . 6 |
7 | 6 | ax-r1 35 | . . . . 5 |
8 | 3, 7 | lbtr 139 | . . . 4 |
9 | 8 | lecon2 156 | . . 3 |
10 | leor 159 | . . . . . 6 | |
11 | df-i1 44 | . . . . . . . 8 | |
12 | 11 | ax-r1 35 | . . . . . . 7 |
13 | 12, 4 | ax-r2 36 | . . . . . 6 |
14 | 10, 13 | lbtr 139 | . . . . 5 |
15 | lear 161 | . . . . 5 | |
16 | 14, 15 | ler2an 173 | . . . 4 |
17 | coman2 186 | . . . . . . 7 | |
18 | coman1 185 | . . . . . . . 8 | |
19 | 18 | comcom2 183 | . . . . . . 7 |
20 | 17, 19 | fh2rc 480 | . . . . . 6 |
21 | 5 | ran 78 | . . . . . 6 |
22 | id 59 | . . . . . 6 | |
23 | 20, 21, 22 | 3tr1 63 | . . . . 5 |
24 | leao4 165 | . . . . . . . 8 | |
25 | 24 | lerr 150 | . . . . . . 7 |
26 | df-i1 44 | . . . . . . . . . . . 12 | |
27 | 26 | lor 70 | . . . . . . . . . . 11 |
28 | 27 | ax-r4 37 | . . . . . . . . . 10 |
29 | an12 81 | . . . . . . . . . . . 12 | |
30 | anor1 88 | . . . . . . . . . . . . 13 | |
31 | 30 | lan 77 | . . . . . . . . . . . 12 |
32 | anor3 90 | . . . . . . . . . . . 12 | |
33 | 29, 31, 32 | 3tr 65 | . . . . . . . . . . 11 |
34 | 33 | ax-r1 35 | . . . . . . . . . 10 |
35 | ancom 74 | . . . . . . . . . 10 | |
36 | 28, 34, 35 | 3tr 65 | . . . . . . . . 9 |
37 | 36 | ran 78 | . . . . . . . 8 |
38 | anass 76 | . . . . . . . 8 | |
39 | 37, 38 | ax-r2 36 | . . . . . . 7 |
40 | 25, 39, 27 | le3tr1 140 | . . . . . 6 |
41 | lea 160 | . . . . . . 7 | |
42 | 41 | lel 151 | . . . . . 6 |
43 | 40, 42 | lel2or 170 | . . . . 5 |
44 | 23, 43 | bltr 138 | . . . 4 |
45 | 16, 44 | letr 137 | . . 3 |
46 | 9, 45 | lel2or 170 | . 2 |
47 | 2, 46 | bltr 138 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wle 2 wn 4 wo 6 wa 7 wi1 12 |
This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a3 32 ax-a4 33 ax-a5 34 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 ax-r3 439 |
This theorem depends on definitions: df-b 39 df-a 40 df-t 41 df-f 42 df-i1 44 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: cancel 892 |
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