Calculus   

Calculus

Commens
Digital Companion to C. S. Peirce
Calculus
1906 [c.] | On the System of Existential Graphs Considered as an Instrument for the Investigation of Logic | MS [R] 499

A calculus […] is a system of symbols by transforming which according to a certain routine one is enabled to pass from a premiss to a conclusion in a particularly speedy and direct way.