This logical contradiction which therefore inficiates the validity of a notion can have two aspects: either the notion reached by our argument is uncertain, that is it is not the only one which may be derived as a conclusion from our syllogism and then we have the aniścita or it is a petitio principi^([sic]), the sādhyasama.
Source: wiktionary
In connection with this last point it would be of interest to see if Favaroni inficiates the necessity of the sacrament of penance, and in this would be a forerunner of the lutherans^([sic]).
Source: wiktionary
The massive usage of the same peptide blocks in microbial and human proteomes inficiates any causal relationship(s) between sharing of microbial amino acid motifs/structures and autoimmune reactions in humans.
Source: wiktionary