Articles Modal science Timothy Williamson 453 Higher-order free logic and the Prior-Kaplan paradox Andrew Bacon, John Hawthorne and Gabriel Uzquiano 493 Reply to Bacon, Hawthorne and Uzquiano Timothy Williamson 542 Williamson on Fine on Prior on the reduction of possibilist discourse Kit Fine 548 Reply to Fine Timothy Williamson 571 First-order modal logic in the necessary framework of objects Peter Fritz 584 Reply to Fritz Timothy Williamson 610 Williamson on necessitism Jeremy Goodman 613 Reply to Goodman Timothy Williamson 640 Plurals and modals Øystein Linnebo 654 Reply to Linnebo Timothy Williamson 677 On Williamson and simplicity in modal logic Theodore Sider 683 Reply to Sider Timothy Williamson 699 Models and reality Robert Stalnaker 709 Reply to Stalnaker Timothy Williamson 727 An A-theory without tense operators Meghan Sullivan 735 Reply to Sullivan Timothy Williamson 759 Williamsonian modal epistemology, possibility-based Barbara Vetter 766 Reply to Vetter Timothy Williamson 796 Epistemicism and modality Juhani Yli-Vakkuri 803 Appendix to Juhani Yli-Vakkuri's 'Epistemicism and Modality' Peter Fritz 836 Reply to Yli-Vakkuri Timothy Williamson 839 CANADIAN JOURNAL OF PHILOSOPHY Volume 46 Numbers 4–5 August 2016 SPECIAL ISSUE: Williamson on Modality GUEST EDITORS: Juhani Yli-Vakkuri and Mark McCullagh CONTENTS