We Leave the EU by law and by Article 50 on the 29th, unless that law is repealed and the EU unanimously agrees to an extension (requiring a vote passing May's Deal) , and the UK agrees to an extension.
Repealing the law would have to get through the Lords, who could block it or philibuster it.
May cannot be ousted by a Tory no-confidence vote. If she refused to resign, the only way to remove her would be through a vote of No Confidence in Parliament followed by a General Election. That would mean Parliament is dissolved and the law making us leave on the 29th could not be repealed in time.
May can sack any minister who tries to force her to resign, although sacked ministers could still be a thorn in her side outside the Cabinet.
If May resigned, she could only be replaced quickly if the party leadership is uncontested. A stalking horse or any Remainer-No Dealer Tory MP(s) could stand against any other candidate, forcing a leadership contest, lasting well beyond March 29th. Mogg & co could force that and thus get a No Deal Leave by default.
Without a Tory leader, there is no Cabinet, and no-one with the authority to introduce legislation to repeal any law as far as I can see.
The Queen could even intervene.
May will not agree to a no-deal, but circumstances could force it on her, as her deal has been repeatedly rejected.
I cannot see any way that a no-deal leave can be stopped now, other than May staying, a massive change to support her deal, and Bercow allowing another vote on it, in a very short time Then we Leave with the EU deal.
I think this is going to be all in Mogg & Co's hands now.
Any other move would be unconstitutional and be challenged in Court, which would be a fuck-up of galactic proportions.
This is going to be the most 'interesting' week in politics I have ever seen. The Conservative and Labour Parties are going to tear themselves apart, probably forever.
Edit: Oh, and watch Bercow too. That slimeball may try something, perhaps unconstitutional, to get Parliament to change the Law that says we leave on 29th March.
The papers, BBC and a lot of people spend their time toadying up to this family of freaks.
If these were people, living off their own buck, then I would not give a fuck.
As the media and people spend a lot of time fawning and accommodating them, then I do give a fuck.
Any pop or slight I can get in Im going to take.
This freaky dickend also has potential to have significant power over my life.
Anna Soubry received a credible threat of death to her home address.
She has told everybody all about it during several interviews.
Similar, to 'Jo Cox murdered' being the rebuttal for any criticism of MPs BREXIT betrayal, we now have 'Soubry death threat so scared she won't go home ' being hammered as proof of BREXITEER extremism on everything from Andrew Marr to The One Show.
If Soubry is so terrified of impending doom why has she just told us on C4 News where she normally goes out for a drink EVERY Friday night ?