Final answer:
The Toulminian style of argumentation was created by British philosopher Stephen Toulmin in the 1950s as a more flexible and persuasive approach compared to the Classical style.
Explanation:
The style created by a British philosopher in the 1950s was the Toulminian style. Stephen Toulmin, a British philosopher, developed the Toulmin model of argumentation in the 20th century. Unlike the Classical approach, which aimed for absolute conclusions, Toulmin believed in making arguments reasonable and convincing through logical appeals. Another contrasting style is the Rogerian model, named after Carl Rogers, focusing on true compromise in arguments.
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