non central t2 variatenon collinear pointsnon commutative matricesnon commutativitynon comparable setnon conservativenon constructive methodnon correlatednon decimal fractionnon decreasing functionnon decreasing sequencenon degenerate bilinear formnon degenerate conicnon degeneratednon deletednon denumerablenon denumerable setnon desarguesian geometrynon deterministicnon empty setnon enumerablenon enumerable setnon euclideannon euclidean geometrynon euclidean spacenon existent demandnon heat treatablenon homogeneous equationnon homogeneous systemnon increasing functionnon increasing monotonic functionnon increasing sequencenon irreducible elementnon isolatednon isomorphicnon itegrabilitynon linear dependencenon linear modelnon linear systemnon literalisticnon meagernon measurable setnon metricnon metric geometrynon negative formnon negative functionnon negative matrixnon nulnon ordinary fractionnon orientable surface