## An introduction to logic |

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### Contents

Be | 11 |

The traditional logic of terms | 24 |

The logic of propositions | 47 |

Copyright | |

6 other sections not shown

### Common terms and phrases

accepted affirmative analytic analytic propositions answer argued argument Aristotle assert Australian author of Waverley axioms calculus of propositions claim compound propositions concepts conclusion consider constants contingent contradictory deductive definite descriptions deny disjunction distinction entail equivalent example exemplify existential explain express propositions fact formal logic formulae generalisations given hold hypothetical propositions implies inconsistent individual inductive inference John Smith language law of non-contradiction laws of logic logic of propositions logic of terms logical laws logical necessity logical relations logically impossible logically necessary logically true logicians major premiss meaning mortal not-p notation ordinary P. F. Strawson particular phrase possible primitive proper name proposition expressed propositional calculus propositional form propositional functions propositional logic pz>q question reason recognise refer Scott sense sentence expresses singular propositions Socrates statement subject-predicate propositions syllogism theory things thought tions traditional logic true or false truth truth-values universal propositions valid moods vocabulary word bachelor