logical 0 statelogical 1 statelogical addlogical additionlogical analysislogical analysis of mathematicslogical argumentlogical axiomslogical conjunctionlogical connectivelogical connectorlogical constantlogical debugginglogical designlogical disjunctionlogical equivalencelogical formlogical functionlogical implicationlogical inferencelogical ingredientslogical necessitylogical notlogical notationlogical operationlogical operatorlogical operatorslogical possibilitylogical productlogical reasoninglogical shiftlogical statelogical sumlogical symbollogical symbolslogical syntaxlogical tracelogical truthlogical typeslogical valuelogical variablelogicallylogically equivalentlogically implylogicismlogisticlogistic chainlogistic curvelogistic growthlogistic spiral