s91.
For discussion of special pleading, see Robert H. Thouless (1930), Straight and Crooked Thinking, pp 199–203; and Douglas N. Walton (1999), One-Sided Arguments, passim, especially pp 87 and 107–110. For a cheerful introduction, see Madsen Pirie (2006), How to Win Every Argument, pp 155–157.