Pascal's rule is the binomialidentity$$ \binom{n}{k} + \binom{n}{k-1} = \binom{n+1}{k} $$ where $1 \leq k \leq n$ and $\binom{n}{k}$ is the binomial coefficient.
This is version 5 of Pascal's rule, born on 2001-10-16, modified 2002-11-07.
Object id is 246, canonical name is PascalsRule.
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