Theorem dfid2 2832

Description: Alternate definition of the identity relation.

Assertion

Ref	Expression
dfid2	|- I = {<.x, x>. | x = x}

Proof of Theorem dfid2

Step	Hyp	Ref	Expression
1		dfid3 2831	1 |- I = {<.x, x>. | x = x}

Syntax hints:   = wceq 954  {copab 2661  Icid 2826

This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7  ax-7 960  ax-gen 961  ax-8 962  ax-10 964  ax-12 966  ax-14 968  ax-17 969  ax-4 971  ax-5o 973  ax-6o 976  ax-9o 1121  ax-10o 1138  ax-16 1208  ax-11o 1216  ax-ext 1457

This theorem depends on definitions:  df-bi 147  df-or 224  df-an 225  df-ex 979  df-sb 1170  df-clab 1462  df-cleq 1467  df-clel 1470  df-v 1808  df-un 2046  df-sn 2408  df-pr 2409  df-op 2412  df-opab 2662  df-id 2830

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