31. Almost all games use " a posteriori " collision detection, and collisions are often resolved using very simple rules. 32. Thus, ideas in Dewey's system retain their empiricist flavour in that they are only known " a posteriori ". 33. A crypt of the 11th century, dug " a posteriori " under the choir, also preserves frescos of the time. 34. Maximum a posteriori ( MAP ) soft decisions for each bit can be obtained by use of the BCJR algorithm. 35. A posteriori methods aim at producing all the Pareto optimal solutions or a representative subset of the Pareto optimal solutions.36. :" A posteriori , however, the explanation of this lack of shock on the part of the students may be somewhat different. 37. This would prevent the blunt barring a posteriori of good willing contributors, who just wished to contribute to the common knowledge. 38. "A posteriori " concepts have sense when they are derived from a mental image that is based on experienced sense impressions. 39. If the proof is correct the distinction between the a priori / a posteriori and necessary / contingent becomes less clear. 40. What are the odds " a posteriori ", at the moment of truth in our example play of the spade suit?