For interviews and programming puzzles you only need to know notation for basic mathematical logic, basic set theory and the summation notation and maybe some b

For interviews and programming puzzles you only need to know notation for basic mathematical logic, basic set theory and the summation notation and maybe some bits and pieces from number theory: https://en.wikipedia.org/wiki/Logical_connective#Common_logical_connectives https://en.wikipedia.org/wiki/Logical_connective#Common_logi... https://en.wikipedia.org/wiki/Quantifier_(logic)#Notation https://en.wikipedia.org/wiki/Quantifier_(logic)#Notation https://en.wikipedia.org/wiki/Set_theory#Basic_concepts_and_notation https://en.wikipedia.org/wiki/Set_theory#Basic_concepts_and_... https://en.wikipedia.org/wiki/Summation#Capital-sigma_notation https://en.wikipedia.org/wiki/Summation#Capital-sigma_notati... https://en.wikipedia.org/wiki/Modular_arithmetic#Congruence https://en.wikipedia.org/wiki/Modular_arithmetic#Congruence If Wikipedia is too hard to follow, you can learn this from early chapters of a discrete mathematics textbook.