The phrase "and certainty of its" is correct and usable in written English.
It can be used when discussing the assurance or confidence in something, often in a formal or academic context.
Example: "The study aims to enhance the understanding and certainty of its findings regarding climate change."
Alternatives: "and assurance of its" or "and confidence in its".
Abraham Verghese's first two books, "My Own Country" (1994) and "The Tennis Partner" (1999), were intelligent, sensitive examinations of health and disease, communication and loneliness; profound contemplations of the difficulty of life and the certainty of its loss.
A way to examine how the expectation of punishment and the certainty of its administration affect individual behaviour is to control levels of punishment experimentally.
Amidst the confusion, however, is that unmistakable Japanese serenity and certainty of having each object in its rightful and most efficient place, as well as the rather touching knowledge that the only way to be sure whether one is indoors, outdoors, or somewhere in between is to feel for a breeze on one's skin.
The trust instrument must show certainty of intention to create a trust, certainty of what the subject matter of the trust is, and certainty of who the beneficiaries (or objects) are.
"A key result of that change could be described as inconsistency of old basis art became able to go far away from realistic depiction and math had lost certainty of its axioms," he adds.
The division re-enters Iraq redesigned to be more flexible, growing to four brigade combat teams from three, each a self-contained fighting unit hauling the latest high-tech communications and surveillance gear to operate with greater certainty of its locations -- and that of adversaries.
The blistering report calls the night time raid on Abbottabad an "American act of war against Pakistan" and slammed America's "contemptuous disregard of Pakistan's sovereignty, independence and territorial integrity in the arrogant certainty of its unmatched military might".
Some theories can be made such as age of patient, excessive dentin removal, and parafunctional occlusion forces, but the certainty of its origin is yet to be found.
Even the advocates for the plan do not all concur in the certainty of its security.
In an opinion written by Justice Carol W. Hunstein, the majority held that "death by electrocution, with its specter of excruciating pain and its certainty of cooked brains and blistered bodies," did exceed a modern-day standard.
