prep. latin phrase meaning "from the stronger" - loosely used to mean "with even stronger reason". Often used to lead from a less certain proposition to a more evident inference that follows directly from the other proposition. Found on http://www.encyclo.co.uk/local/21213
A phrase signifying all the more; applied to something which must be admitted for a still stronger reason. -- J.J.R. Found on https://www.encyclo.co.uk/local/21203