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What is 1 + 3?
Postulates + Theorems
A line contains at least _____, a plane contains at least______, a space contains at least______
two points, three points not in one line, four points not in one plane
Through any two points there is exactly one_______
Through any three points, there is______, through any three non-collinear points, there is _________
at least one plane, exactly one plane
If two points are in a plane, then
the lines that contains these points is in the plane
If two planes intersect, then
their intersection is a line
If two lines intersect,
they intersect in exactly one point
Through any line and a point not on the lines, there is
exactly one plane
If two lines intersect, then
exactly one plane contains the lines