*bon mot*with the world. Hence this attempt. Note that anonymous comments are enabled, which can (and are welcome to) also serve as a venue for student feedback/suggestions/venting. Here goes:

- Generalization error is a conditional expectation / 1 August 2014
- Transcendental inequalities / 17 July 2014
- Convexity of geometric mean / 24 August 2015
- Thought we had a strikingly original proof of the pumping lemma for regular languages / 31 March 2016
- I have trouble following combinatorial proofs in paragraph form, so I try to convert them to symbolic form. Here's such a transcription of the proof of Pajor's lemma, where I apparently coined a term: "shards" on analogy with "shattering". / 07 April 2016