A. A. Milne set. Milne lived on the northern edge of the forest at Cotchford Farm, , and took his son walking there. E. H. Shepard drew on the landscapes of Ashdown Forest as inspiration for many of the illustrations he provided for the Pooh books. The adult Christopher Robin commented: "Pooh's Forest and Ashdown Forest are identical." Popular tourist locations at Ashdown Forest include: "Galleon's Lap", "The Enchanted Place", the "Heffalump Trap" and "Lone Pine", "Eeyore’s Sad and Gloomy Place", and the wooden "Pooh Bridge" where Pooh and Piglet invented Poohsticks. Not yet known as Pooh, he made his first appearance in
Metaphor in philosophy fact that truth conditions cannot be specified for a metaphor. Max Black maintains that metaphors are too open-ended to be able to function as referring expressions, and so cannot be expressions which have truth conditions . If metaphors are used in contexts where precise terminology is expected (for example, in a scientific theory), then their role, Black argues, is purely heuristic, that is, they are means to an end or ways of assisting understanding, rather than being terms which can be tested for truth or falsity . Donald Davidson also thinks it a mistake to look for the truth conditions