NFE Home New Foundations Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  NFE Home  >  Th. List  >  nic-idlem2 Unicode version

Theorem nic-idlem2 1442
Description: Lemma for nic-id 1443. Inference used by nic-id 1443. (Contributed by Jeff Hoffman, 17-Nov-2007.) (Proof modification is discouraged.) (New usage is discouraged.)
Hypothesis
Ref Expression
nic-idlem2.1
Assertion
Ref Expression
nic-idlem2

Proof of Theorem nic-idlem2
StepHypRef Expression
1 nic-idlem2.1 . 2
2 nic-ax 1438 . . . 4
32nic-imp 1440 . . 3
43nic-imp 1440 . 2
51, 4nic-mp 1436 1
Colors of variables: wff setvar class
Syntax hints:   wnan 1287
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This theorem depends on definitions:  df-bi 177  df-an 360  df-nan 1288
This theorem is referenced by:  nic-id  1443
  Copyright terms: Public domain W3C validator