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Mirrors > Home > HOLE Home > Th. List > wnot | Unicode version |
Description: Negation type. (Contributed by Mario Carneiro, 8-Oct-2014.) |
Ref | Expression |
---|---|
wnot |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wim 137 |
. . . 4
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2 | wv 64 |
. . . 4
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3 | wfal 135 |
. . . 4
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4 | 1, 2, 3 | wov 72 |
. . 3
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5 | 4 | wl 66 |
. 2
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6 | df-not 130 |
. 2
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7 | 5, 6 | eqtypri 81 |
1
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Colors of variables: type var term |
Syntax hints: tv 1
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This theorem was proved from axioms: ax-cb1 29 ax-weq 40 ax-refl 42 ax-wc 49 ax-wv 63 ax-wl 65 ax-wov 71 ax-eqtypri 80 |
This theorem depends on definitions: df-al 126 df-fal 127 df-an 128 df-im 129 df-not 130 |
This theorem is referenced by: notval 145 notval2 159 notnot1 160 con3d 162 alnex 186 exnal1 187 exmid 199 notnot 200 exnal 201 ax3 205 ax6 208 ax9 212 ax12 215 |
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