Fix *Tuples are contravariant* in Lecture 3

[xitology]

Suggestion
In Lecture 3, "Tuples are contravariant and heterogeneously typed with a parameter per internal object." should be read as "Tuples are covariant...".

Identification

SciMLBook/_weave/lecture03/sciml.jmd

Line 312 in 3091889

Tuples are contravariant and heterogeneously typed with a parameter per internal

Correction
Change contravariant to covariant.

[ChrisRackauckas]

Indeed, thanks for pointing out.