18901 | Truthmakers are facts 'of' a domain, not something 'in' the domain |

18904 | 'Predicable' terms come in charged pairs, with one the negation of the other |

18895 | Logic which maps ordinary reasoning must be transparent, and free of variables |

18897 | Predicate logic has to spell out that its identity relation '=' is an equivalent relation |

18896 | Aristotle places terms at opposite ends, joined by a quantified copula |

18893 | Translating into quantificational idiom offers no clues as to how ordinary thinkers reason |

18903 | Sommers promotes the old idea that negation basically refers to terms |

18894 | Predicates form a hierarchy, from the most general, down to names at the bottom |

18899 | Frege takes the existence of horses to be part of their concept |

18900 | Unfortunately for realists, modern logic cannot say that some fact exists |

13127 | Categories can't overlap; they are either disjoint, or inclusive |

18898 | In standard logic, names are the only way to refer |