11.There is absolutely (in fact) no (every) reason for us to believe (accept / resist / reject) that…
12.Logical (Valid / Sound) as this argument and I wholeheartedly agree with it, it appears insignificant (absurd) when … is taken into consideration (account).
13.To assume (suggest) that … is far from being proved (to miss the point).
14.A close (careful) inspection (examination / scrutiny) of this argument would reveal how flimsy (groundless / fallacious) it is.
15.On the surface (At first thought), it (this) may seem a sound (an attractive) suggestion (solution / idea), but careful weighing on the mind (on closer analysis / on second thought), we find that…
16.Too much emphasis placed on (attention paid to / importance attached to) … may obscure (overlook / neglect) other facts…
17.The danger (problem / fact / truth / point) is that…
18.What the arguer fails to understand (consider /mention) is that…
19.We don’t have to look very far to see (find out) the truth (validity) of this argument (proposition).
20.However just (logical / sound / valid) this argument may be, it only skims the surface of the problem.
