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Mirrors > Home > HOLE Home > Th. List > notnot1 | Unicode version |
Description: One side of notnot 187. |
Ref | Expression |
---|---|
notval2.1 |
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Ref | Expression |
---|---|
notnot1 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wfal 125 |
. . . 4
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2 | notval2.1 |
. . . . 5
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3 | wnot 128 |
. . . . . 6
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4 | 3, 2 | wc 45 |
. . . . 5
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5 | 2, 4 | simpl 22 |
. . . 4
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6 | 2, 4 | simpr 23 |
. . . . 5
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7 | 5 | ax-cb1 29 |
. . . . . 6
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8 | 2 | notval 135 |
. . . . . 6
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9 | 7, 8 | a1i 28 |
. . . . 5
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10 | 6, 9 | mpbi 72 |
. . . 4
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11 | 1, 5, 10 | mpd 146 |
. . 3
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12 | 11 | ex 148 |
. 2
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13 | 4 | notval 135 |
. . 3
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14 | 2, 13 | a1i 28 |
. 2
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15 | 12, 14 | mpbir 77 |
1
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Colors of variables: type var term |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-syl 15 ax-jca 17 ax-simpl 20 ax-simpr 21 ax-id 24 ax-trud 26 ax-cb1 29 ax-cb2 30 ax-refl 39 ax-eqmp 42 ax-ded 43 ax-ceq 46 ax-beta 60 ax-distrc 61 ax-leq 62 ax-distrl 63 ax-hbl1 93 ax-17 95 ax-inst 103 |
This theorem depends on definitions: df-ov 65 df-al 116 df-fal 117 df-an 118 df-im 119 df-not 120 |
This theorem is referenced by: con3d 152 exnal1 175 notnot 187 ax9 199 |
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