pretzel : curly, brittle, twisty thing void of any nutritional value

logic : correct reasoning; a rare gift of open-minded visualisation that can be achieved only when delusion has been removed  (okay, I made that last bit up)

Pretzel Logic : Delusional reasoning that goes nowhere in particular, easily twisted and is of no know value.  Commonly full of subterfuge.  PL users have a tendency to claim strange insight but can often be cured from this dis-ease.

Treatment:  Grain of salt

(okay, okay, so I made all that up too  

Have a great day