Theorem rneq 4959

Description: Equality theorem for range. (Contributed by NM, 29-Dec-1996.)

Assertion

Ref	Expression
rneq	|- ( A = B -> ran A = ran B )

Proof of Theorem rneq

Step	Hyp	Ref	Expression
1		cnveq 4904	. . 3 |- ( A = B -> `' A = `' B )
2	1	dmeqd 4933	. 2 |- ( A = B -> dom `' A = dom `' B )
3		df-rn 4736	. 2 |- ran A = dom `' A
4		df-rn 4736	. 2 |- ran B = dom `' B
5	2, 3, 4	3eqtr4g 2289	1 |- ( A = B -> ran A = ran B )

Syntax hints:   -> wi 4   = wceq 1397   `'ccnv 4724   dom cdm 4725   ran crn 4726

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-ext 2213

This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-nf 1509  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-v 2804  df-un 3204  df-in 3206  df-ss 3213  df-sn 3675  df-pr 3676  df-op 3678  df-br 4089  df-opab 4151  df-cnv 4733  df-dm 4735  df-rn 4736

This theorem is referenced by:  rneqi  4960  rneqd  4961  xpima1  5183  feq1  5465  foeq1  5555  ixpsnf1o  6904  imasex  13387  ausgrusgrien  16021  0uhgrsubgr  16115