12 lines
196 B
Ruby
12 lines
196 B
Ruby
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# frozen_string_literal: true
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require 'cas'
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require 'rule'
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require 'simp_rules'
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require 'rw_rules'
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def add_right_cancel
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rule([%i[a + c], :==, %i[b + c]] => %i[a == b]).forall(:a, :b, :c)
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end
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