Question: For each of the structures A below, determine the substructure generated by . You do not have to prove your answer. (a) A = (N,0,+).

For each of the structures A below, determine the substructure generated by . You do not have to prove your answer.

(a) A = (N,0,+).

(b) A = (N,0,1,+).

(c) A = (N,

(d) A = (Q,0,1,+,(),), where () is the usual additive inverse x x.

(e) A .= (Q,0,1,+,(),,() ), where () : Q Q is defined by x x-1 for x For each of the structures A below, determine the substructure generated by and 0 0

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