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Samuel's user avatar
Samuel's user avatar
Samuel
  • Member for 11 years, 8 months
  • Last seen more than 5 years ago
  • Hong Kong
3 votes
3 answers
6k views

About the notation of "there exist" and "For all"

3 votes
3 answers
83 views

About the meaning of the notation $\cup_{S \in C}$

1 vote
3 answers
7k views

The particular solution of the recurrence relation

1 vote
3 answers
1k views

Describe the relation between two sets

0 votes
1 answer
190 views

about a solution of a question in symbolic logic

0 votes
1 answer
311 views

About proving a arguments is valid

0 votes
1 answer
134 views

Concept problem of the binary relation fo set

0 votes
2 answers
559 views

a way to solve this relation $a_n = 4a_{n-1}-4a_{n-2}+2^n$

0 votes
1 answer
6k views

About proving $f(S \cup T) = f(S) \cup f(T)$

0 votes
1 answer
3k views

Recurrence relation find the number of binary strings that contain two consecutive zeros