The phrase "a firm ground" is correct and usable in written English.
It can be used when discussing a stable or secure foundation, whether literally or metaphorically.
Example: "Before making any major decisions, it's important to ensure you have a firm ground to stand on."
Alternatives: "a solid foundation" or "a stable base".
According to Descartes, "customs and habits" do not provide a firm ground for knowledge.
(Published work starting in 1977 under most circumstances is protected until 70 years after the death of the author, thus until 2048 at the earliest).For researchers, archivists, historians, publishers, bloggers and even writers for newspapers like this one lacking a firm ground on which to stand restricts the use of material in that period.
Positivists generally maintained that theories might come and go, whereas the facts of observation and their empirical regularities constituted a firm ground from which scientific reasoning could start and to which it must always return in order to test its validity.
Therefore, the present work establishes a firm ground for [61].
While our study is also limited by the lack of a firm ground truth of the underlying neural activity, it allowed us to heuristically evaluate the ability of the compared methods to remove a strong event-locked muscle artifact while maintaining neural activity in the form of event-related desynchronization.
After the first Anglo-Maratha war, Warren Hastings declared in 1783 that the peace established with the Marathas was on such a firm ground that it was not going to be shaken for years to come.
A firm grounding in business is also certainly a strength.
Like Ms. McGraw's writing, Farrah (the winning Jessica Kaye) has a firm grounding in reality.
The work is alternately playful and somber, with a firm grounding in the austere medieval troubadour and plainsong traditions.
Tonight I announce the American Competitiveness Initiative, to encourage innovation throughout our economy and to give our nation's children a firm grounding in math and science.
In her questionnaire, Ms. White highlighted her role as a director of the Nasdaq exchange and other experiences that she said gave her "a firm grounding" in securities laws.
