Hardy 迷鳥 Hilary Warbler Disney Laverne Uniti Flycatcher Vulnerable Walt 固有種 Babbler Tanager Near proofs entities Seedeater Barbera Woodpecker Phylloscopus Euphonia Finch empirical Tyrannulet ディズニー・ハロウィーン formulated Thrush mathematician Platonism constructivists スーパーダンシン・マニア formalism Metamathematics intuitionism formalists Unreasonable mathematicians AMIx Tyrant throated Woodcreeper Moloney embodied Elaenia Bunting precisely arbitrary logicist Logicism realists