Fear of commitment of self-help, Harvard psychologist Deborah DePaulo has written books such as "Singleism" on the stigmatization of single people. The use of the term "fear" or "phobia" imparts an inherent linguistic bias. It recasts specific lifestyle decisions (such as bachelorhood vs. marriage, or a conscious decision to remain childfree by choice) implicitly as generalised, irrational phobias while failing to identify, describe or address an individual's specific motives. For instance, the men's rights movement, citing high divorce rates and expensive alimony and legal costs, would speak not in terms of "fear of commitment" but of "marriage strike" to reflect their position that
Informal logic everyday discourse." Their meaning of non-formal is taken from Barth and Krabbe (1982), which is explained below. To understand the definition above, one must understand "informal" which takes its meaning in contrast to its counterpart "formal." (This point was not made for a very long time, hence the nature of informal logic remained opaque, even to those involved in it, for a period of time.) Here it is helpful to have recourse to Barth and Krabbe (1982:14f) where they distinguish three senses of the term "form." By "form," Barth and Krabbe mean the sense of the term which derives from