For each of the following arguments, decide whether the conclusion is a tautological consequence of the premises. if it is, submit a proof that establishes the conclusion using one or more applications of taut con. do not cite more than two sentences at a time for any of your applications of taut con if the conclusion is not a consequence of the premises, submit a countererample world showing that the argument is not valid. 4.27 cube (a) v cube(b 4.28 large (a) v large(b) large (a) v large(c) dodec (c) v dodec (d) -cube (a) v dodec (c) large (a) a large (b) v large (c)) cube(b) v dodec(d)