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Theorem dfiin3g 5261
 Description: Alternate definition of indexed intersection when is a set. (Contributed by Mario Carneiro, 31-Aug-2015.)
Assertion
Ref Expression
dfiin3g

Proof of Theorem dfiin3g
Dummy variable is distinct from all other variables.
StepHypRef Expression
1 dfiin2g 4363 . 2
2 eqid 2457 . . . 4
32rnmpt 5253 . . 3
43inteqi 4290 . 2
51, 4syl6eqr 2516 1
 Colors of variables: wff setvar class Syntax hints:  ->wi 4  =wceq 1395  e.wcel 1818  {cab 2442  A.wral 2807  E.wrex 2808  |^|cint 4286  |^|_ciin 4331  e.cmpt 4510  rancrn 5005 This theorem is referenced by:  dfiin3  5263  riinint  5264  iinon  7030  cmpfi  19908 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1618  ax-4 1631  ax-5 1704  ax-6 1747  ax-7 1790  ax-9 1822  ax-10 1837  ax-11 1842  ax-12 1854  ax-13 1999  ax-ext 2435  ax-sep 4573  ax-nul 4581  ax-pr 4691 This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3an 975  df-tru 1398  df-ex 1613  df-nf 1617  df-sb 1740  df-eu 2286  df-mo 2287  df-clab 2443  df-cleq 2449  df-clel 2452  df-nfc 2607  df-ne 2654  df-ral 2812  df-rex 2813  df-rab 2816  df-v 3111  df-dif 3478  df-un 3480  df-in 3482  df-ss 3489  df-nul 3785  df-if 3942  df-sn 4030  df-pr 4032  df-op 4036  df-int 4287  df-iin 4333  df-br 4453  df-opab 4511  df-mpt 4512  df-cnv 5012  df-dm 5014  df-rn 5015
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