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anonymous
 3 years ago
Prove or disprove the following statements. If each statement is not true, salvage by making changes to the hypothesis:
1. If a∈ℤ, then aa
2. If each of a,b and c is in ℤ, ab and bc, then ac.
3. If each of a,b and c is in ℤ, ab and ac then a(b+c)
anonymous
 3 years ago
Prove or disprove the following statements. If each statement is not true, salvage by making changes to the hypothesis: 1. If a∈ℤ, then aa 2. If each of a,b and c is in ℤ, ab and bc, then ac. 3. If each of a,b and c is in ℤ, ab and ac then a(b+c)

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0"The statement that a divides b means there is an integer c such that b=ac." So for example: 4  12 ? , we would say yes, 3 because 12=4*3.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Is that the exact definition or does it rely on modulo? B/c then 00 is undef.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0yeah thats the exact definition
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