1.4 theorie Flashcards

1
Q

intern in woorden

A

Het resultaat van de bewerking zit in dezelfde verzameling als de operander.

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2
Q

intern in symbolen

A

(voor alle) a, b (dat element is van) R : a + b = R

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3
Q

associatief in woorden

A

haakjes hebben geen invloed

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4
Q

associatief in symbolen

A

(voor alle) a, b, c (dat element is van) R : (a +b) + c = a + (b + c) = a + b + c

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5
Q

neutraal element in woorden

A

Het element dat bij deze element geen invloed heeft

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6
Q

neutraal element in symbolen

A

(voor alle) 0 (dat element is van) R, a (dat element is van) R : a + 0 = a = 0 + a

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7
Q

symmetrisch element in woorden

A

Het element dat na bewerking het neutraal element oplevert

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8
Q

symmetrisch element in symbolen voor de optelling

A

(voor alle) a( dat element is van) R, E! -a (dat element is van) R : a + (-a) = 0 = -a + a

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9
Q

symmetrisch element in symbolen voor de vermenigvuldiging

A

(voor alle) a( dat element is van) R, E! a^-1 (dat element is van) R : a + (a^-1) = 0 = -a^-1 + a

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10
Q

commotaviteit in woorden

A

de volgorde heeft geen invloed

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11
Q

commotaviteit in symbolen

A

(voor alle) a, b (dat element is van) R : a+b = b+a

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12
Q
A
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