Abstract
We prove the overholonomicity of overconvergent $F$-isocrystals over
smooth varieties. This implies that the notions of overholonomicity and devissability in overconvergent $F$-isocrystals are equivalent. Then the overholonomicity is stable under tensor products. So, the overholonomicity gives a $p$-adic cohomology stable under Grothendieck’s cohomological operations.