The phrase "a left base" is correct and usable in written English.
It can be used in contexts related to sports, particularly baseball, or in discussions about political ideologies or strategies.
Example: "The player positioned himself at a left base to cover the field more effectively during the game."
Alternatives: "a left position" or "a left flank".
In the left and right fractional derivatives (^{c} D_{a^^{alpha}x) and (^{c} D_{b^^{alpha}x), a and b are called a left base point and a right base point, respectively.
In the left and right fractional derivatives (^{c} D_{a^^{alpha}x) and (^{c} D_{b^^{alpha}x), a is called a left base point and b a right base point.
Example Y: A trapezoid has a top measurement of 12 centimeter (4.7 in), a right side measurement of 5 centimeter (2.0 in), a left side measurement of 7 centimeter (2.8 in), a right base angle of 50 degrees, and a left base angle of 87 degrees.
Purvis was in serious but stable condition after sustaining a contusion of the left base of the brain and a fracture of the first and second vertebrae in his neck and back.
Instead, Obama retreated to his left base, offered a stimulus without Simpson-Bowles and started talking about "fairness".
Draw a straight line from the left base of the semicircle toward the outside edge of the paper.
He discovered that he had examined the patient, documented his findings ("pneumonia of the left base") and formulated a treatment plan.
On stage left, Unnamed Administration Source runs up a flag labeled "CPI Unchained," to howls of disapproval from the Left Base.
Follow-up confirmed no lesion in the left base of the tongue.
The Left Base watches, and either salutes or loudly grimaces when each flag is raised.
Jones also responded to a shot from Sen. John McCain, who said last week that the national security adviser didn't "want to alienate the left base of the Democrat Party".
