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Full Idea
Unlike Stalnaker, Lewis holds that indicative conditionals have the truth conditions of material conditionals.
Gist of Idea
Lewis says indicative conditionals are truth-functional
Source
report of David Lewis (Counterfactuals [1973]) by Frank Jackson - Conditionals 'Further'
Book Ref
'Blackwell Guide to Philosophy of Language', ed/tr. Devitt,M/Hanley,R [Blackwell 2006], p.224
A Reaction
Thus Lewis only uses the possible worlds account for subjunctive conditionals, where Stalnaker uses it for both. Lewis is defending the truth-functional account for the indicative conditionals.
| 8434 | In good counterfactuals the consequent holds in world like ours except that the antecedent is true [Lewis, by Horwich] |
| 14361 | Lewis says indicative conditionals are truth-functional [Lewis, by Jackson] |
| 9419 | A law of nature is a general axiom of the deductive system that is best for simplicity and strength [Lewis] |