The phrase "an adequate existence" is correct and usable in written English.
It can be used when discussing the sufficiency or acceptability of someone's life or living conditions.
Example: "After years of struggle, she finally achieved an adequate existence, free from the worries that once plagued her."
Alternatives: "a satisfactory life" or "a sufficient livelihood".
Unlike sugar and indigo planters, coffee farmers with even small acreage could derive an adequate if simple existence, and Costa Ricans achieved a competitive advantage over coffee farmers in other Latin American countries.
The minimum prerequisite for this empowerment is that all members of society have the opportunity to secure an adequate and stable existence, including the education of children and provision for old age, by means of an occupation chosen of their own free will.
An idea of this sort is developed by Raz into one of the leading arguments for the "sources thesis", the idea that an adequate test for the existence and content of law must be based only on social facts, and not on moral arguments.
The Federal District Court in Washington ruled on Feb. 11 that the residents who sued had an adequate basis to argue the existence of "a purported scheme of restraints that has the purpose and effect of fixing, artificially depressing, standardizing and stabilizing resident physician compensation".
Kant had not yet articulated a definitive break with the approach of the rationalist metaphysics of his predecessors, so his discussions presuppose the validity of the enterprise of constructing an adequate theoretical argument for the existence of God.
We can no longer pretend that the special tribunal's existence is an adequate response to the real problem in Lebanon Tehrann's long-standing drive for regional hegemony.
The transition from a local experiment receiving local support to a national policy on a massive scale therefore involves much more than political determination or the existence of an adequate budget.
The existence of an adequate number of highly qualified researchers might be because public employment in SPHs within these countries provides job security and various opportunities for faculty to engage in consultancies and research activities, which provide additional personal income.
