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Mirrors > Home > QLE Home > Th. List > mldual | Unicode version |
Description: Dual of modular law. |
Ref | Expression |
---|---|
mldual |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anor3 90 | . . . . . . 7 | |
2 | 1 | cm 61 | . . . . . 6 |
3 | oran3 93 | . . . . . . . 8 | |
4 | 3 | lan 77 | . . . . . . 7 |
5 | 4 | ax-r1 35 | . . . . . 6 |
6 | 2, 5 | tr 62 | . . . . 5 |
7 | 6 | lor 70 | . . . 4 |
8 | ml 1121 | . . . 4 | |
9 | oran3 93 | . . . . 5 | |
10 | 9, 3 | 2an 79 | . . . 4 |
11 | 7, 8, 10 | 3tr 65 | . . 3 |
12 | oran3 93 | . . 3 | |
13 | anor3 90 | . . 3 | |
14 | 11, 12, 13 | 3tr2 64 | . 2 |
15 | 14 | con1 66 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 |
This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a3 32 ax-a5 34 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 ax-ml 1120 |
This theorem depends on definitions: df-a 40 df-t 41 df-f 42 df-le1 130 df-le2 131 |
This theorem is referenced by: mldual2i 1125 vneulem13 1141 vneulemexp 1146 dp41lemd 1184 dp41leme 1185 dp32 1194 xdp41 1196 xxdp41 1199 xdp45lem 1202 xdp43lem 1203 xdp45 1204 xdp43 1205 3dp43 1206 |
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