The phrase "also disprove" is correct and usable in written English.
It can be used when you want to indicate that something not only proves a point but also contradicts or refutes another point.
Example: "The new evidence presented in the study not only supports the initial hypothesis but also disproves the previous theories."
Alternatives: "also refute" or "also contradict".
The documents should also disprove some myths that have dogged Guantanamo and the reputations of those who honorably serve there.
Some field observations also disprove claims made by previous workers, of artifacts eroding out of late Pliocene exposures of the Upper Siwalik Tatrot Formation around Toka.
The population structure and phylogenetic analyses not only support the hypothesis that cultivated soybeans (G. max) are a subclade of their progenitor wild soybeans (G. soja), but also disprove the hypothesis of multiple soybean domestication events in East Asia.
This also disproves an announcement of A. Ocneanu that such a subfactor is unique for each n.
He also disproved the theory of spontaneous generation and contributed to germ theory and the study of infectious disease.
It also disproves the theory advanced by maverick art historians in 2009 that it was Van Gogh's friend Paul Gauguin who sliced off his earlobe with a sword.
Dixon's performance -- he finished with 33 points -- and Maryland's also disproved Kansas' claim of being a bigger, better and faster version of the Terps.
Éowyn disproves the myth that The Lord of the Rings is a story that could only appeal to male geeks, and she also disproves the myth that Tolkien was incapable of creating fully rounded female characters.
Their results also disproved a hypothesis that animals living at higher latitudes might be better at acclimating than tropical species because they see more temperature fluctuations throughout the year.
Mr Dombrovskis's Unity party almost doubled its seats in parliament, to 33 (out of 100).Voters have also disproved another proposition: that money inevitably distorts the political process, particularly in poor countries.
