1. 救いは人間の意志と神の慈悲の相互作用の結果であるという神学的教義(the theological doctrine that salvation results from the interaction of human will and divine grace)
2. 個々の効果の合計よりも大きい効果を生むために2つの物が(例えば筋肉や薬など)一緒に作用すること(the working together of two things (muscles or drugs for example) to produce an effect greater than the sum of their individual effects)