Classical discussions proposed different numerical thresholds for tawatur, including 4, 5, 7, 10, 12, 40, and 70. The disagreement itself shows why a fixed figure should not be treated as an automatically decisive rule.
The central question is whether the number and circumstances of the transmitters make collusion on a falsehood ordinarily untenable and whether the report actually gives rise to certainty.
Illustration: Ten people repeating a claim ultimately derived from one unverified informant do not automatically constitute ten independent original sources. The transmission routes and their actual independence must be considered.