Definition of "inasmuch as"

Which it certainly was. Admiration was the universal sentiment, though some objected that the reply to "Is it a bear?" ought to have been "Yes;" inasmuch as an answer in the negative was sufficient to have diverted their thoughts from Mr. Scrooge, supposing they had ever had any tendency that way.

1843 December 19, Charles Dickens, “(please specify the page number)”, in A Christmas Carol. In Prose. Being a Ghost Story of Christmas, London: Chapman & Hall, […]

This was a hardship in as much as inquiry showed that even in vegetarian restaurants many courses used to contain eggs. This meant that unless I knew what was what, I had to go through the awkward process of ascertaining whether a particular course contained eggs or no, for many puddings and cakes were not free from them.

1940 , Mahadev Desai, chapter 27, in The Story of My Experiments with Truth‎, part 1, translation of original by M.K. Gandhi

This employee was engaged to direct asphalt plants and inasmuch as the work for which he had been employed was completed, he was surplused and his return travel was approved […]

1952, United States. Congress. House. Committee on Appropriations, Moroccan air base construction. 2 v, page 618