An eccentric and reclusive computer genius plagued with existential angst works on a mysterious project aimed at discovering the purpose of existence—or the lack thereof—once and for all.
A proof that any bridgeless planar graph can have faces properly four-colored. The proof has a lemma ten parts and three appendices; it uses edges of three values and has six figures.
KeYmaera is a hybrid verification tool for hybrid systems. It supports differential dynamic logic for hybrid programs and combines deductive, real algebraic, and computer algebraic prover technologies for verifying parameterized hybrid systems.
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