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Sam

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81 reputation
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location United States
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visits member for 6 months
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21 year old Math major.

When I'm not locked in the library studying I try to have a life. . . it isn't going too well.
81 reputation
 bio website visits member for 6 months
1 badges
 location United States seen Apr 30 at 20:10
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6 Questions

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4
 are two consecutive numbers relatively prime?
3
 Proof with inequalities
3
 Must the centralizer of an element of a group be abelian?
3
 Proof using Mod
2
 Is it always true that $(A_1 \cup A_2) \times (B_1 \cup B_2)=(A_1\times B_1) \cup (A_2 \times B_2)$
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81 Reputation

+5 Is it always true that $(A_1 \cup A_2) \times (B_1 \cup B_2)=(A_1\times B_1) \cup (A_2 \times B_2)$
+15 Must the centralizer of an element of a group be abelian?
+20 are two consecutive numbers relatively prime?
+5 Proof with inequalities
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0 Answers

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8 Tags

0
homework × 3
0
abstract-algebra
0
elementary-set-theory × 2
0
group-theory
0
proof-strategy × 2
0
modular-arithmetic
0
proof-writing × 2
0
prime-numbers

1 Account

Mathematics Stack Exchange Mathematics 81 rep 1

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