Using your logic wouldn’t not voting for Hilary be a vote for Trump?
No, it wouldn't. Let's think through this, with the presumption that we're trying to keep a totalitarian crook named Hillary Clinton from winning the White House in 2016:
1) Hillary is a known criminal, and Trump isn't.
2) By voting for Hillary, you're increasing the likelihood that the crook wins the White House.
3) By not voting for Hillary, and also not voting for Trump, you're similarly increasing the likelihood that a crook wins the White House.
4) Only by voting for Donald Trump, therefore, can you reduce the chance of a known crook winning the White House.
Not voting for Trump is, for all intents and purposes, a de facto vote for Hillary.
Does that clarify things for you?
Bitter, butthurt Cruz fanboys need to stop playing games with the future of this Republic, and do what's right for this country. And what's right is unifying the party and voting for Donald Trump.
I hope that clarifies my logic.
Vote Trump!