Permutation City

When she hung up, her teeth started chattering, and she kept emitting brief sounds of distress which didn't seem to belong to her. She wanted to get dressed before the ambulance and police arrived, but she didn't have the strength to move -- and the thought of even caring if she was discovered naked began to seem petty beyond belief. Then something broke through her paralysis, and she rose to her feet and staggered around the room, picking up the clothes they'd scattered on the floor just hours before.

She found herself fully dressed, slumped in a corner of the living room, reciting a litany of excuses in her head. She'd never humored him. She'd argued against his insane beliefs at every opportunity. How could she have saved him? By walking out on the project? That would have changed nothing. By trying to get him committed? His doctors had already pronounced him cured.

The worst thing she'd done was stand by and let him shut down his own Copy.

And there was still a chance --

She sprang to her feet, rushed over to the nearest terminal, and logged back on to the project's JSN account.

But Durham's scan file was gone, deleted as meticulously, as irreversibly, as her own. The audit records showed no sign that the data had been preserved elsewhere; like her own file, it had even been flagged explicitly for exclusion from the JSN's automatic hourly backups. The only place the data had been reproduced had been inside the Garden-of-Eden configuration itself -- and every trace of that structure had been obliterated.

She sat at the terminal, replaying the file which showed Durham's Copy conducting his experiments: testing the laws of his universe, rushing joyfully toward . . . what? The unheralded, inexplicable annihilation of everything he was in the process of establishing as the basis for his own existence?

And now his corpse lay in the bathroom, dead by his own hands, on his own terms; victim of his own seamless logic.

Maria buried her face in her hands. She wanted to believe that the two deaths were not the same. She wanted to believe that Durham had been right, all along. What had the JSN computers in Tokyo and Seoul meant to the Copy? No experiment performed within the TVC universe could ever have proved or disproved the existence of those machines. They were as irrelevant -- to him -- as Francesca's ludicrous God Who Makes No Difference.

So how could they have destroyed him? How could he be dead?

There were quick, heavy footsteps outside, then a pounding on the door. Maria went to open it.

She wanted to believe, but she couldn't.

22

(Remit not paucity)

JUNE 2051

Thomas prepared himself to witness a death.

The flesh-and-blood Riemann was the man who'd killed Anna -- not the Copy who'd inherited the killer's memories. And the flesh-and-blood Riemann should have had the opportunity to reflect on that, before dying. He should have had a chance to accept his guilt, to accept his mortality. And to absolve his successor.

That hadn't been allowed to happen.

But it wasn't too late, even now. A software clone could still do it for him -- believing itself to be flesh and blood. Revealing what the mortal, human self would have done, if only it had known that it was dying.

Thomas had found a suitable picture in a photo album -- old chemical hardcopy images which he'd had digitized and restored soon after the onset of his final illness. Christmas, 1985: his mother, his father, his sister Karin and himself, gathered outside the family home, dazzled by the winter sunshine. Karin, gentle and shy, had died of lymphoma before the turn of the century. His parents had both survived into their nineties, showing every sign of achieving immortality by sheer force of will -- but they'd died before scanning technology was perfected, having scorned Thomas's suggestion of cryonic preservation. "I have no intention," his father had explained curtly, "of doing to myself what nouveau riche Americans have done to their pets." The young man in the photograph didn't look much like the image Thomas would have conjured up by closing his eyes and struggling to remember -- but the expression on his face, captured in transition from haunted to smug, rang true. Half afraid that the camera would reveal his secret; half daring it to try.