过去式：pigeon-holed现在分词：pigeon-holing第三人称单数：pigeon-holes
n.
a specific (often simplistic) category
同义词：pigeonhole
a small compartment
同义词：cubbyholepigeonhole
Pigeonhole
Exponential lower bounds for the pigeonhole principle
The complexity of the pigeonhole principle
Exponential lower bounds for the pigeonhole principle
Exponential lower bounds for the pigeonhole principle
Provability of the Pigeonhole Principle and the Existence of Infinitely Many Primes.
An exponential lower bound to the size of bounded depth frege proofs of the pigeonhole principle
Resolution lower bounds for the weak pigeonhole principle
Resolution proofs of generalized pigeonhole principles
Resolution and the Weak Pigeonhole Principle
