Theorem prodeq1i 12112

Description: Equality inference for product. (Contributed by Scott Fenton, 4-Dec-2017.)

Hypothesis

Ref	Expression
prodeq1i.1	|- A = B

Assertion

Ref	Expression
prodeq1i	|- prod_ k e. A C = prod_ k e. B C

Distinct variable groups:   A, k   B, k

Allowed substitution hint:   C( k)

Proof of Theorem prodeq1i

Step	Hyp	Ref	Expression
1		prodeq1i.1	. 2 |- A = B
2		prodeq1 12104	. 2 |- ( A = B -> prod_ k e. A C = prod_ k e. B C )
3	1, 2	ax-mp 5	1 |- prod_ k e. A C = prod_ k e. B C

Syntax hints:   = wceq 1395   prod_cprod 12101

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-in1 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-ext 2211

This theorem depends on definitions:  df-bi 117  df-dc 840  df-3an 1004  df-tru 1398  df-nf 1507  df-sb 1809  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ral 2513  df-rex 2514  df-v 2802  df-un 3202  df-in 3204  df-ss 3211  df-if 3604  df-sn 3673  df-pr 3674  df-op 3676  df-uni 3892  df-br 4087  df-opab 4149  df-mpt 4150  df-cnv 4731  df-dm 4733  df-rn 4734  df-res 4735  df-iota 5284  df-f 5328  df-f1 5329  df-fo 5330  df-f1o 5331  df-fv 5332  df-ov 6016  df-oprab 6017  df-mpo 6018  df-recs 6466  df-frec 6552  df-seqfrec 10700  df-proddc 12102

This theorem is referenced by:  prodeq12i  12114  fprodfac  12166  fprodxp  12175