## Principia Mathematica: To *56, Volume 2 |

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### Contents

ALPHABETICAL LIST OF PROPOSITIONS REFERRED TO | xii |

INTRODUCTION | 1 |

Summary of Part I | 87 |

Copyright | |

12 other sections not shown

### Common terms and phrases

ambiguity analogues apply asserted proposition asymmetrical relations axiom of reducibility Bern called cardinal class of classes commutative law concerned converse domain defined definiens definition denote descriptive function disjunction dots elementary function elementary propositions exists extensional function fact false falsehood first-order functions following propositions formally equivalent given Hence hypothesis identical ifrx ijrx implies q individuals inference logical matrix mathematical induction mathematical logic mathematics matrix means namely negation notation object occurs ordinal couples ordinal number predicative function premisses present number primitive ideas primitive propositions principle Prop This proposition properties propositional function propositions containing proved real variable rule of inference satisfied scope second-order significant Similar proof Similarly Socrates Syll Transp truth truth-functions truth-value unit classes vicious-circle Waverley x e a yfrx yjrx