Not exactly, for some reason they're splitting the in two sections, with one running between Court Sq & Bedford-Nostrand and the other between 4th Av-9th St & Coney Island. Would've made more sense to call the southern portion the , but it is what it is.
Side note: Why did they stop running the to Ozone Park overnight during this type of service change? Seems like a waste to have both the , and Lefferts running all at once.