The phrase "an often discussed theme" is correct and usable in written English.
It can be used to refer to a topic or subject that is frequently talked about or analyzed in various contexts, such as literature, art, or social issues.
Example: "The concept of identity is an often discussed theme in contemporary literature, reflecting the complexities of modern society."
Alternatives: "a frequently debated topic" or "a commonly explored theme."
Another often discussed theme was the distinction between modalities per se and per accidens which was based on the idea that the modal status of a temporally indefinite sentence may be changeable or not; for example, 'You have not been in Paris' may begin to be impossible, whereas 'You either have or have not been in Paris' may not.
The amount of energy consumption of individual buildings is a widely discussed theme.
Consider an example often discussed by ecofeminist philosophers.
Both because of and despite this, Cuba is often discussed as singular: sometimes as a theme park, or as a world apart, as a kind of "Planet Cuba". By introducing the slash [in the title], I also wanted to call attention to the indissociable relation between Cuba and the planet.
Star Trek's progressive themes are often discussed in conjunction with the mistaken belief that the original series featured television's first interracial kiss, between Captain Kirk and Lt Uhura in 1968.
In comparative genomic studies, gene essentiality is a common theme [6], [30] and is often discussed in the context of environment [31] where genes in a single species are essential for one environment, but nonessential for another.
Social capital and social support are often discussed and measured in combination with other themes, such as in the context of social capital and religion (Saguaro Seminar on Civic Engagement 2000), social capital and education (Coleman 1988), and social capital and health (Carpiano 2007; Giordano et al. 2011).
Examining how households access, and depend upon a diversity of occupational sectors is a central theme in many development studies and is often discussed in the context of poverty, urbanization, household risk, conservation, and coping strategies [4] [8].
The brothers had often discussed building a place together.
Alcohol use was most often discussed as a male behavior.
