The phrase "a clear progression of" is correct and usable in written English.
It can be used when describing a logical or coherent development or sequence in a process, idea, or narrative.
Example: "The report outlines a clear progression of events leading to the final decision."
Alternatives: "a distinct development of" or "an evident sequence of".
There is a clear progression of more advanced mathematics.
Their analysis revealed a clear progression of events.
"It's level after level after level, a clear progression of self-contained thematic environments.
This situation with an increase of serum marker Ca 125 (300 IU/ml) showed a clear progression of the disease.
Pathologic review of liver specimens shows a clear progression of disease starting with vesicular deposit of lipids in hepatocytes with displacement of cellular structures.
The histological characterization of the aortic wall in AAA to "inflammatory", "active" and "amorphous regions" has been proposed [ 56, 57]; the regions may, however, overlap and do not necessarily show a clear progression of the disease.
In contrast to the result of the greedy selection, the optimal selection shows a clear progression in the activation of different genes.
Contemporary critics discuss a clear progression over the course of Salinger's published work, as evidenced by the increasingly negative reviews received by each of his three post-Catcher story collections.
For untreated Nafion™, the magnitude and concentration dependence of the molar enthalpy indicates that sorption of water exhibits a clear progression from hydronium ion formation (≤1 H2O/SO3H) through growth of isolated hydrated clusters (≤6 H2O/SO3H) to a continuous internal water phase.
But the textile mills of the Derwent Valley in the east Midlands; Saltaire, near Bradford in Yorkshire; and New Lanark in southern Scotland do reflect a clear progression from the water-powered industrial processes of the late 18th century to the steam-powered 19th century.
When considering a clinical continuum between ALS and FTLD, it is noteworthy that so far no clear progression of minor cognitive or behavioral impairment to FTLD-ALS has been documented in longitudinal studies (55, 56).
