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Contraposition (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Contraposition" in English language version.

refsWebsite
Global rank English rank
2books.google.com
3rd place
3rd place
1merriam-webster.com
209th place
191st place
1unlv.edu
6,804th place
4,447th place
1britannica.com
40th place
58th place
1ornl.gov
5,534th place
4,538th place
1csufresno.edu
low place
low place
1unsw.edu.au
4,584th place
3,029th place

books.google.com (Global: 3rd place; English: 3rd place)

  • Stebbing 1961, pp. 65–66. For reference to the initial step of contraposition as obversion and conversion, see Copi 1953, p. 141. Stebbing, L. Susan (1961). A Modern Introduction to Logic (7th ed.). Harper. Copi, Irving M. (1953). Introduction to Logic. Macmillan.
  • See Stebbing 1961, pp. 65–66. Also, for reference to the immediate inferences of obversion, conversion, and obversion again, see Copi 1953, p. 141. Stebbing, L. Susan (1961). A Modern Introduction to Logic (7th ed.). Harper. Copi, Irving M. (1953). Introduction to Logic. Macmillan.

britannica.com (Global: 40th place; English: 58th place)

csufresno.edu (Global: low place; English: low place)

zimmer.csufresno.edu

merriam-webster.com (Global: 209th place; English: 191st place)

  • "Definition of CONTRAPOSITIVE". www.merriam-webster.com. Retrieved 2019-11-26.

ornl.gov (Global: 5,534th place; English: 4,538th place)

csm.ornl.gov

unlv.edu (Global: 6,804th place; English: 4,447th place)

beisecker.faculty.unlv.edu

unsw.edu.au (Global: 4,584th place; English: 3,029th place)

maths.unsw.edu.au