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 Sep15 accepted The role of 'arbitrary' in proofs Jun15 accepted Fourier's Heat Law In Integral Form Jan10 accepted Satisfiability Problem: Determining Which People To Invite Dec28 accepted Condition For A Set Having A Smallest Element Dec24 accepted Conditional Statements: “only if” May12 accepted Polar Coordinates: Dividing by the variable “r.” May12 accepted Probability Distribution Of A Linear Combination May12 accepted Standardizing A Random Variable That is Normally Distributed May12 accepted Counting The Number Of Ways To Seat People At A Table May12 accepted Permutation Formula May12 accepted Solve for $x$: $4x = 6~(\mod 5)$ Apr24 accepted Using The Pigeon-Hole Principle Apr19 accepted Finding Integers With Certain Properties. Mar23 accepted Proving That The Product Of Two Different Odd Integers Is Odd Mar18 accepted Prove$\overline{(A \cap B \cap C)} = \overline{A} \cup \overline{B} \cup \overline{C}$ By Subsets Mar17 accepted Change Along A Tangent Line Mar17 accepted Obscure Probability Question Mar17 accepted Probability: Determining Which Phone Plan Is Better Mar16 accepted Prove that $\mathcal{P}(A)⊆ \mathcal{P}(B)$ if and only if $A⊆B$. Mar15 accepted Proper Use Of Notation? (Determine whether the function is surjective)