Reverse mathematics: proofs from the inside out

cover

@Book{            book:2213228,
  Author        = "Stillwell, John",
  date-added    = "2021-04-30 20:00:19 +0200",
  date-modified = "2021-04-30 20:00:19 +0200",
  ISBN          = "0691177171,9780691177175,1400889030,9781400889037",
  Publisher     = "Princeton University Press",
  Title         = "Reverse mathematics: proofs from the inside out",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=dcbf6615e1094bd33154e4a786329d3e",
  Year          = "2018",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=dcbf6615e1094bd33154e4a786329d3e",
  File          = "Reverse mathematics proofs from the inside out by John Stillwell (z-lib.org) - g.pdf"
}

@Book{ book:2213228, Author = "Stillwell, John", date-added = "2021-04-30 20:00:19 +0200", date-modified = "2021-04-30 20:00:19 +0200", ISBN = "0691177171,9780691177175,1400889030,9781400889037", Publisher = "Princeton University Press", Title = "Reverse mathematics: proofs from the inside out", URL = "http://gen.lib.rus.ec/book/index.php?md5=dcbf6615e1094bd33154e4a786329d3e", Year = "2018", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=dcbf6615e1094bd33154e4a786329d3e", File = "Reverse mathematics proofs from the inside out by John Stillwell (z-lib.org) - g.pdf" }