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Mirrors > Home > MPE Home > Th. List > Mathboxes > pprodcnveq | Structured version Visualization version Unicode version |
Description: A converse law for parallel product. (Contributed by Scott Fenton, 3-May-2014.) |
Ref | Expression |
---|---|
pprodcnveq | pprod pprod |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dfpprod2 31989 | . 2 pprod | |
2 | dfpprod2 31989 | . . . 4 pprod | |
3 | 2 | cnveqi 5297 | . . 3 pprod |
4 | cnvin 5540 | . . 3 | |
5 | cnvco1 31649 | . . . . 5 | |
6 | cnvco1 31649 | . . . . . 6 | |
7 | 6 | coeq1i 5281 | . . . . 5 |
8 | coass 5654 | . . . . 5 | |
9 | 5, 7, 8 | 3eqtri 2648 | . . . 4 |
10 | cnvco1 31649 | . . . . 5 | |
11 | cnvco1 31649 | . . . . . 6 | |
12 | 11 | coeq1i 5281 | . . . . 5 |
13 | coass 5654 | . . . . 5 | |
14 | 10, 12, 13 | 3eqtri 2648 | . . . 4 |
15 | 9, 14 | ineq12i 3812 | . . 3 |
16 | 3, 4, 15 | 3eqtri 2648 | . 2 pprod |
17 | 1, 16 | eqtr4i 2647 | 1 pprod pprod |
Colors of variables: wff setvar class |
Syntax hints: wceq 1483 cvv 3200 cin 3573 cxp 5112 ccnv 5113 cres 5116 ccom 5118 c1st 7166 c2nd 7167 pprodcpprod 31938 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-br 4654 df-opab 4713 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-txp 31961 df-pprod 31962 |
This theorem is referenced by: brpprod3b 31994 |
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