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15.02.07 09 00 00 |
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15.02.07 09 00 00 |
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(a) = a
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(a ∨ b) = a ∧ b
a ∨ (a ∧ b) = a
a ∧ (a ∨ b) = a
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15.02.07 09 00 00 |
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15.02.07 09 00 00 |
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