Assertion: triangle's number | /r/HasProperty | the sum of the two numbers
Facets:
value: to the left
type: OTHER
value: above it
type: OTHER
value: to the right
type: OTHER
value: in pascal's triangle
type: LOCATION
Source sentences:
text: In Pascal's triangle, each number is the sum of the two numbers directly above it.
text: The number of a given dimensional element in the tetrahedron is now the sum of two numbers: first the number of that element found in the original triangle, plus the number of new elements, each of which is built upon elements of one fewer dimension from the original triangle.
text: Every number below in the triangle is the sum of the two numbers diagonally above it to the left and the right, with positions outside the triangle counting as zero.