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Use "affirmer" in a sentence
"The age-old response by spiritual practitioners has been to encourage the affirmer to believe more."
"Not only do these comments "not quite convict him of being a holocaust denier" as you rather disingenuously put it they show quite the opposite, if anything he is a "holocaust affirmer"."
"On peut même affirmer qu'une forme de maladie mentale est au cœur de notre système financier lui-même."