Projectivity: Revision history

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8 February 2010

  • curprev 01:0901:09, 8 February 2010ā€Ž Vipul talk contribsā€Ž 599 bytes +599ā€Ž Created page with '==Definition== Suppose <math>G</math> and <math>H</math> are groups. Suppose <math>f:G \to H</math> is a bijective set map such that for any subset <math>A</math> of <math>G…'