date topic
19 Jan A brief history of algebra
211 Jan Rotations of the tetrahedron
310 Feb Proof by induction
420 Feb Even and odd permutations and the alternating group
521 Mar Products, cosets, and Lagrange's Theorem
628 Mar Group actions
79 Apr Normal subgroups and quotient groups
816 Apr Noether's fundamental theorem of homomorphisms
920 Apr A sketch of Galois's theory of equations