Full Idea
The totality of true propositions is the whole of natural science (or the whole corpus of the natural sciences).
Gist of Idea
Science is all the true propositions
Source
Ludwig Wittgenstein (Tractatus Logico-Philosophicus [1921], 4.11)
Book Reference
Wittgenstein,Ludwig: 'Tractatus Logico-Philosophicus (Pears)', ed/tr. Pears,D. /McGuinness,B. [RKP 1961], p.25
A Reaction
So if it is true, it is science. What about truths about science? What about true speculations beyond science? What about bad science? What about trivial everyday truths? This is said to be a rare precursor of logical positivism in Tractatus.