Levi W.

# Prove A is contained in B knowing: A = {x I x=4s-1 for some s is an integer} and B = {x I x=2t-1 for some t is an integer}

Prove A is contained in B

We know:

A = {x I x=4s-1 for some s is an integer}
B = {x I x=2t-1 for some t is an integer}

Not even sure where to start, thanks for the help!

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