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Mirrors > Home > QLE Home > Th. List > u4lemanb | Unicode version |
Description: Lemma for non-tollens implication study. |
Ref | Expression |
---|---|
u4lemanb |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-i4 47 |
. . 3
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2 | 1 | ran 78 |
. 2
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3 | comanr2 465 |
. . . . . 6
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4 | 3 | comcom3 454 |
. . . . 5
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5 | comanr2 465 |
. . . . . 6
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6 | 5 | comcom3 454 |
. . . . 5
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7 | 4, 6 | com2or 483 |
. . . 4
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8 | comorr2 463 |
. . . . . 6
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9 | 8 | comcom3 454 |
. . . . 5
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10 | comid 187 |
. . . . 5
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11 | 9, 10 | com2an 484 |
. . . 4
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12 | 7, 11 | fh1r 473 |
. . 3
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13 | ax-a2 31 |
. . . 4
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14 | anass 76 |
. . . . . . 7
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15 | anidm 111 |
. . . . . . . 8
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16 | 15 | lan 77 |
. . . . . . 7
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17 | 14, 16 | ax-r2 36 |
. . . . . 6
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18 | 4, 6 | fh1r 473 |
. . . . . . 7
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19 | anass 76 |
. . . . . . . . . 10
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20 | dff 101 |
. . . . . . . . . . . . 13
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21 | 20 | lan 77 |
. . . . . . . . . . . 12
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22 | 21 | ax-r1 35 |
. . . . . . . . . . 11
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23 | an0 108 |
. . . . . . . . . . 11
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24 | 22, 23 | ax-r2 36 |
. . . . . . . . . 10
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
25 | 19, 24 | ax-r2 36 |
. . . . . . . . 9
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26 | anass 76 |
. . . . . . . . . 10
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27 | 20 | lan 77 |
. . . . . . . . . . . 12
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28 | 27 | ax-r1 35 |
. . . . . . . . . . 11
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29 | an0 108 |
. . . . . . . . . . 11
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30 | 28, 29 | ax-r2 36 |
. . . . . . . . . 10
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31 | 26, 30 | ax-r2 36 |
. . . . . . . . 9
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32 | 25, 31 | 2or 72 |
. . . . . . . 8
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33 | or0 102 |
. . . . . . . 8
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34 | 32, 33 | ax-r2 36 |
. . . . . . 7
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35 | 18, 34 | ax-r2 36 |
. . . . . 6
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36 | 17, 35 | 2or 72 |
. . . . 5
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37 | or0 102 |
. . . . 5
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38 | 36, 37 | ax-r2 36 |
. . . 4
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39 | 13, 38 | ax-r2 36 |
. . 3
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40 | 12, 39 | ax-r2 36 |
. 2
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41 | 2, 40 | ax-r2 36 |
1
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Colors of variables: term |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() |
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-i4 47 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: u4lemnob 673 u24lem 770 |
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