Theorem eliniseg2 5116

Description: Eliminate the class existence constraint in eliniseg 5106. (Contributed by Mario Carneiro, 5-Dec-2014.) (Revised by Mario Carneiro, 17-Nov-2015.)

Assertion

Ref	Expression
eliniseg2	|- ( Rel A -> ( C e. ( `' A " { B } ) <-> C A B ) )

Proof of Theorem eliniseg2

Step	Hyp	Ref	Expression
1		relcnv 5114	. . 3 |- Rel `' A
2		elrelimasn 5102	. . 3 |- ( Rel `' A -> ( C e. ( `' A " { B } ) <-> B `' A C ) )
3	1, 2	ax-mp 5	. 2 |- ( C e. ( `' A " { B } ) <-> B `' A C )
4		relbrcnvg 5115	. 2 |- ( Rel A -> ( B `' A C <-> C A B ) )
5	3, 4	bitrid 192	1 |- ( Rel A -> ( C e. ( `' A " { B } ) <-> C A B ) )

Syntax hints:   -> wi 4   <-> wb 105   e. wcel 2202   {csn 3669   class class class wbr 4088   `'ccnv 4724   "cima 4728   Rel wrel 4730

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-14 2205  ax-ext 2213  ax-sep 4207  ax-pow 4264  ax-pr 4299

This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ral 2515  df-rex 2516  df-v 2804  df-sbc 3032  df-un 3204  df-in 3206  df-ss 3213  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-br 4089  df-opab 4151  df-xp 4731  df-rel 4732  df-cnv 4733  df-dm 4735  df-rn 4736  df-res 4737  df-ima 4738

This theorem is referenced by:  isunitd  14119