The phrase "and is inseparable from" is correct and usable in written English.
It can be used to indicate that two things are closely linked or cannot be separated from each other in a particular context.
Example: "Trust and communication are essential in a relationship, and is inseparable from the foundation of mutual respect."
Alternatives: "and cannot be separated from" or "and is intertwined with".
The fictional Lenny looms over — and is inseparable from — the Safdies' memories.
And "law of the land" was itself a strong phrase: the law accompanies the land and is inseparable from the land — not its rulers.
Since transferring to the Amerasian school three months ago, Arisa has not missed a day and is inseparable from her new friend, 13-year-old Nicky Miyagi.
Much of acting is unconscious and beyond actors' control not merely accents or gestures but the subcutaneous, the fundamental matter of personal bearing, which develops in early life and is inseparable from upbringing, education, and mores.
The role conferred to Roberto Benigni — that of a mid-level clerk who becomes not a reality-TV star but, rather, a star on the basis of his merest reality — comes close to matching it in exuberance and is inseparable from it in significance.
The central question for him was whether the statistical considerations that are fundamental to atomic physics reflect an ignorance of underlying causes or whether they express all that there is to be known; the latter would be the case if, as some believe, the act of measuring affects, and is inseparable from, what is measured.
"Each period has its own rhythm, too, and if you study poems, recite them aloud and so forth, you learn that they bear the stamp of their origins and are inseparable from them".
As in Hitchcock's films, the movie joins sex and death, pleasure and guilt, pleasure and pain — and these themes are revealed through an intricate web of symbols that bind the story together and are inseparable from the telling.
Veterans more accustomed to interoffice mail were suddenly confronted with hotshots who seemed to have been designing PowerPoint displays since birth and were inseparable from their wireless messaging devices.
Mistakes are a constant in students' solutions to mathematical problems and are inseparable from the learning process.
An important feature of this illustration is that the triangles represent three dimensions of the same experience and are inseparable from one another.
