Why is negative times negative positive? PART II (JAMES TANTON)

Why is negative times negative positive? PART II (JAMES TANTON)

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DrJamesTanton • 7K views

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Math topics:
_Numbers_##Numbers##_Negative_number_##Negative number##_Sign_(mathematics)_##Sign (mathematics)##_Arithmetic_##Arithmetic
Other topics:
_Logic_##Logic##_Logical_consequence_##Logical consequence##_Truth_value_##Truth value##_Commutative_property_##Commutative property
video-id: eV6iYvd4KS0 channel_DrJamesTanton_