Some articles on deduction systems, systems, deduction:
... Proof theory is the study of formal proofs in various logical deduction systems ... Several deduction systems are commonly considered, including Hilbert-style deduction systems, systems of natural deduction, and the sequent calculus developed by ... of mathematical logic, includes the study of systems in non-classical logic such as intuitionistic logic, as well as the study of predicative systems ...
Famous quotes containing the word systems:
“No civilization ... would ever have been possible without a framework of stability, to provide the wherein for the flux of change. Foremost among the stabilizing factors, more enduring than customs, manners and traditions, are the legal systems that regulate our life in the world and our daily affairs with each other.”
—Hannah Arendt (19061975)