Cosmic inflation is the inflation of space-time. The Big Bang refers to the transition period generally at and slightly after the universe's mass/energy interac

Cosmic inflation is the inflation of space-time. The Big Bang refers to the transition period generally at and slightly after the universe's mass/energy interactions went from occurring in a singularity to occurring in a significant volume of space-time. edit: in other words - superluminal inflation is big, but that's not a bang