Chapter IV. ON THE RULES FOR THE CALCULATION … [logistica speciosa] … [logistica numerosa] proceeds by means of numbers, reckoning by species by means … There are four canonical rules for the calculation … B. We wish to add the one to … those which we wish to add must be … the aggregate will be A plus B, if … they share in genus with those that stand … A cube plus B solid … However, the Analysts are accustomed to indicate the … [Rules for subtraction, multiplication, and division]
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