Published onJanuary 13, 2015What Is Countable Infinity?set-theorymathematicsCountable infinity refers to infinite sets whose elements can be listed in a sequence.
Published onJanuary 12, 2015Hilbert's Hotel, A Thought Experiment on Infinityset-theorymathematicsA classic thought experiment that explores infinity.
Published onJanuary 11, 2015The Empty Set Has Only One Subsetset-theorymathematicsThe empty set is its own only subset, as it contains no elements to include in any other set.
Published onJanuary 10, 2015Two Ways to Represent Setsset-theorymathematicsA brief overview of two common ways to write sets.