Affirming the Consequent include "header.inc"; ?> Definition: Examples:
  1. If I am in Calgary, then I am in Alberta. I am in Alberta, thus, I am in Calgary. (Of course, even though the premises are true, I might be in Edmonton, Alberta.)
  2. If the mill were polluting the river then we would see an increase in fish deaths. And fish deaths have increased. Thus, the mill is polluting the river.
Proof: References

26 May 1995 / 06 January 1996