TY - JOUR T1 - Two General Propositions in the Method of Differences JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 107 SP - 234 EP - 244 PY - 1817/01/01/ UR - http://dx.doi.org/10.1098/rstl.1817.0017 M3 - doi:10.1098/rstl.1817.0017 AU - Knight, T. ER -