The phrase "ambiguous formula" is correct and usable in written English.
It can be used when referring to a formula or expression that has multiple interpretations or meanings.
Example: "The results of the experiment were difficult to interpret due to the ambiguous formula used in the calculations."
Alternatives: "unclear formula" or "vague formula".
What is needed now are decisions, not clever, ambiguous formulae.
In the various colloquies between Protestants and Catholics or between German Lutheran and Swiss Reform churchmen, Bucer often advocated the use of obscure language and ambiguous formulas when explicit agreement between the opposing parties was impossible to attain.
Charters were granted to groups of nobles in almost every province of France. Louis bought the support of the clergy by similar means; but whereas they gained for the church some real privileges, the use of ambiguous formulas made the baronial charters virtually worthless.
To the extent that judges would seek to faithfully adhere to its ambiguous formula--not too broad, not too deep--they are left with little guidance about how or even when to do so.
The ambiguous use of formula prayers (common among the Ṣūfīs) such as Allāhu akbar, "God is most great," or perhaps "God is Akbar," hinted at a divine association as well.
Activist shareholders have been criticizing executive pay practices for well over a decade, accusing directors of being too cozy with C.E.O.'s, too eager to lavish pay on them and too ambiguous about the formulas they use for setting compensation.
Also, when the animated pedagogical agents speak there are challenges with articulating the sometimes ambiguous syntax of formulas.
And this seems right, because commonly the linguistic meaning of a formula is ambiguous (in terms of background linguistic possibilities), and in order to identify the relevant meaning one must turn, not only (as already mentioned) to larger bodies of text, but also to hypotheses, largely derived therefrom, concerning the author's intentions (e.g. concerning the subject-matter he intends to treat).
His expression is wonderfully ambiguous.
(There is also the further fact that, under the Russellian analysis, formulas containing 'the \(F\)' are potentially ambiguous.
