An open sentence in Mathematics is neither true nor false until thevariables have been substituted by specific values. The method of finding the values of variables that result in a true sentence is known as solving the open sentence. The replacement value is known as the solution of the open...
A drilling tool of the invention can drill a hole in a work-piece that has a passage, already provided, the diameter of which is to be increased by drilling. In particular, the passage has a discontinuity along the hole, where the diamet... JP Sorensen,F Bunde - US 被引量: 51发表:...