Patricia Shanahan wrote: > Karl Malbrain wrote: > > Jiri Lebl wrote: > >> Karl Malbrain wrote: > >>> Patricia Shanahan wrote: > >>>> Ultimately, I don't think the subject of this thread even asks the right > >>>> question. It should be "Set theory: Should you use?". I don't even know > >>>> what it means to believe set theory. > >>>> > >>> Believing means to agree with the axioms of set theory. > >>> > >>> intransitive verb > >>> 1 a : to have a firm religious faith b : to accept as true, genuine, or > >>> real <ideals we believe in> <believes in ghosts> > >> To say that is about as stupid as to say something like "Do you believe > >> in a screwdriver." It is a tool that you use, just like set theory. > > > > Far from stupid, I believe in a screwdriver when I meet up with a loose > > screw -- I suppose others might believe in a hammer. > > The distinction I'm trying to make, between "believe" and "use", is > obviously only going to be meaningful to people who regard "believe" and > "use" as different words, with different meanings.
The difference between them is known as commitment: 1. The act of committing, or putting in charge, keeping, or trust; consignment; esp., the act of committing to prison.
As an engineer, I know my systems enough to trust them because I am commited to maintaining them.