41. The last example is a popular example of a double negative that resolves to a positive. 42. Regarding the battle between Superman and Zod, Double Negative implemented real photography onto its digital doubles. 43. Double negatives abound in medieval English texts.44. No editor will print a double negative , 45. I also removed one unsourced statement, and reworded a double negative in a statement to the positive. 46. Positive feedback occurs when a gene activates itself directly or indirectly via a double negative feedback loop. 47. To such speakers, they view double negatives as emphasizing the negative rather than cancelling out the negatives. 48. Churchill and the Double Negative team created over 160 of these types of effects for the film. 49. It's not really different from ` Double Negative .'The sculpture is the issue, not the landscape ." 50. With his thick Appalachian accent, penchant for using double negatives and earthy slang, Cyrus exudes boyish, backwoods sincerity.