At the point where one idea has been replaced by the other, and the concept is no longer required, the mediator vanishes.
That idea had been replaced by multiculturalism and social cohesion.
And the wounds of this terrible war will heal faster if the idea of collective guilt is replaced by individual responsibility.
It seems that the exclusive member's idea gradually was replaced into an open registry to all owners and breeders of purebred dogs.
As in dreams, an idea often changes just as it is about to become clear or is suddenly replaced by a different thought.
Theological ideas about good and evil are replaced with psychiatric ones called mental "health" and "illness."
This original idea was soon replaced by a system based on expansion cards.
The arts are not like medicine or accounting or engineering, in which old ideas are replaced with newer, better ones.
As time passed, this idea was replaced with the notion that the creature was indeed both a living animal and a living plant.
These ideas were briefly replaced in 1279, when King Ramkhamhaeng came to the throne.