Theorem tposeq 6412

Description: Equality theorem for transposition. (Contributed by Mario Carneiro, 10-Sep-2015.)

Assertion

Ref	Expression
tposeq	|- ( F = G -> tpos F = tpos G )

Proof of Theorem tposeq

Step	Hyp	Ref	Expression
1		eqimss 3281	. . 3 |- ( F = G -> F C_ G )
2		tposss 6411	. . 3 |- ( F C_ G -> tpos F C_ tpos G )
3	1, 2	syl 14	. 2 |- ( F = G -> tpos F C_ tpos G )
4		eqimss2 3282	. . 3 |- ( F = G -> G C_ F )
5		tposss 6411	. . 3 |- ( G C_ F -> tpos G C_ tpos F )
6	4, 5	syl 14	. 2 |- ( F = G -> tpos G C_ tpos F )
7	3, 6	eqssd 3244	1 |- ( F = G -> tpos F = tpos G )

Syntax hints:   -> wi 4   = wceq 1397   C_ wss 3200  tpos ctpos 6409

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-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ral 2515  df-rex 2516  df-v 2804  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-mpt 4152  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-res 4737  df-tpos 6410

This theorem is referenced by:  tposeqd  6413  tposeqi  6442