According to the Asymmetry Thesis. whereas there are many kinds of argument-forms that make at least some of their instances valid. there is none that makes any of its instances invalid. To refute this thesis. https://www.roneverhart.com/Samsung-Galaxy-Tab-S7-FE-12-4-in-64GB-Tablet-Mystic-Black-SM-T733NZKAXAR-2021-Keyboard-Case-Bundle/