NUM_ADD_CONV : term -> thm

SYNOPSIS

Proves what the sum of two natural number numerals is.

DESCRIPTION

If n and m are numerals (e.g. 0, 1, 2, 3,...), then NUM_ADD_CONV `n + m` returns the theorem:

   |- n + m = s

where s is the numeral that denotes the sum of the natural numbers denoted by n and m.

FAILURE CONDITIONS

NUM_ADD_CONV tm fails if tm is not of the form `n + m`, where n and m are numerals.

EXAMPLE

  # NUM_ADD_CONV `75 + 25`;;
  val it : thm = |- 75 + 25 = 100

SEE ALSO