Deriving The Feynman Path Integral Part 2

Today I finish the derivation of the Feynman path integral for quantum mechanics. Like my hat? Get it at: https://teespring.com/hbar-hats Derivation Part 1:    • Deriving The Feynman Path Integral Part 1   Baker Cambell Hausdorff derivation: http://webhome.phy.duke.edu/~mehen/76... BCH properties and Justifying Neglected Terms: http://www.weizmann.ac.il/particle/pe... Info on probability measures: https://www.tpi.uni-jena.de/qfphysics... http://www.randomservices.org/random/... An axiomatic approach to the euclidian path integral: https://ncatlab.org/nlab/show/Osterwa... Other nice discussions on the measure: https://www.physicsforums.com/threads... https://physics.stackexchange.com/que... https://physics.stackexchange.com/que...