Conditionals are topics

[1]  J. Mill.  A System of Logic , 1843 .

[2]  Walter W. Skeat,et al.  An Etymological Dictionary of the English Language , 1882 .

[3]  T. Troward.  Causes and conditions. , 1919 .

[4]  F. Ramsey.  General Propositions and Causality , 1931 .

[5]  Jorge Luis Borges,et al.  Funes the Memorious , 1942 .

[6]  Peter F. Strawson,et al.  Introduction To Logical Theory , 1954 .

[7]  N. Goodman.  Fact, Fiction, and Forecast , 1955 .

[8]  M. Vasmer.  Russisches etymologisches Wörterbuch , 1957 .

[9]  J. Carroll,et al.  The function of language classification in behavior , 1958 .

[10]  Theodore M. Newcomb,et al.  Readings in Social Psychology , 1960 .

[11]  J. M. Bocheński,et al.  A history of formal logic , 1961 .

[12]  J. Austin.  How to do things with words , 1962 .

[13]  趙 元任,et al.  A grammar of spoken Chinese = 中國話的文法 , 1968 .

[14]  Robert Stalnaker.  A Theory of Conditionals , 2019, Knowledge and Conditionals.

[15]  William S. Hatcher,et al.  Foundations of Mathematics , 1968 .

[16]  H. Brekle.  Generative Satzsemantik und transformationelle Syntax im System der Englischen Nominalkomposition , 1970 .

[17]  Bernard Mayo.  A new approach to conditionals , 1970 .

[18]  P. Hornby.  Surface Structure and the Topic-Comment Distinction: A Developmental Study. , 1971 .

[19]  John B. Carroll,et al.  Language comprehension and the acquisition of knowledge , 1972 .

[20]  Paul Schachter,et al.  Tagalog reference grammar , 1973, The Journal of Asian Studies.

[21]  H. Andersen.  ABDUCTIVE AND DEDUCTIVE CHANGE , 1973 .

[22]  Wolfgang Dressler.  FUNKTIONELLE SATZPERSPEKTIVE UND TEXTTHEORIE , 1974 .

[23]  F. Daneš,et al.  Papers on functional sentence perspective , 1974 .

[24]  Robert Rodman.  On left dislocation 1 , 1974 .

[25]  Östen Dahl.  TOPIC - COMMENT STRUCTURE IN A GENERATIVE GRAMMAR WITH A SEMANTIC BASE , 1974 .

[26]  Μ. A. K. Halliday.  THE PLACE OF “FUNCTIONAL SENTENCE PERSPECTIVE” IN THE SYSTEM OF LINGUISTIC DESCRIPTION , 1974 .

[27]  J. Haiman.  Targets and syntactic change , 1974 .

[28]  F. Daneš.  Functional Sentence Perspective and the Organization of the Text , 1974 .

[29]  Anna Wierzbicka,et al.  Topic, focus, and deep structure , 1975 .

[30]  Petr Sgall,et al.  Topic and focus in transformational grammar , 1975 .

[31]  E. Sosa.  Causation and conditionals , 1975 .

[32]  S. E. Martin.  A Reference Grammar of Japanese , 1975 .

[33]  Semantic relationships of Gahuku verbs , 1976 .

[34]  J. Haiman.  Connective Particles in Hua: An Essay on the Parts of Speech , 1977 .

[35]  Charles N. Li,et al.  Subject and topic , 1979 .