We introduce new proof systems for propositional logic, simple deduction Frege systems, general deduction Frege systems, and nested deduction Frege systems, which augment Frege systems with variants ...

If you want to get to the truth about government monitoring of BlackBerry consumer and enterprise customers by foreign governments, here's a simple way that doesn't require you to be an expert in ...

Every year, employees must furnish investment proofs to their employers to avail of tax deductions and lower Tax Deducted at Source (TDS). This is done at the beginning of the financial year and these ...

The Mathematics Teacher (MT), an official journal of the National Council of Teachers of Mathematics, is devoted to improving mathematics instruction from grade 8-14 and supporting teacher education ...