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Mirrors > Home > MPE Home > Th. List > prodex | Structured version Visualization version Unicode version |
Description: A product is a set. (Contributed by Scott Fenton, 4-Dec-2017.) |
Ref | Expression |
---|---|
prodex |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-prod 14636 | . 2 | |
2 | iotaex 5868 | . 2 | |
3 | 1, 2 | eqeltri 2697 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wo 383 wa 384 w3a 1037 wceq 1483 wex 1704 wcel 1990 wne 2794 wrex 2913 cvv 3200 csb 3533 wss 3574 cif 4086 class class class wbr 4653 cmpt 4729 cio 5849 wf1o 5887 cfv 5888 (class class class)co 6650 cc0 9936 c1 9937 cmul 9941 cn 11020 cz 11377 cuz 11687 cfz 12326 cseq 12801 cli 14215 cprod 14635 |
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-nul 4789 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-sn 4178 df-pr 4180 df-uni 4437 df-iota 5851 df-prod 14636 |
This theorem is referenced by: risefacval 14739 fallfacval 14740 prmoval 15737 fprodsubrecnncnvlem 40121 fprodaddrecnncnvlem 40123 etransclem13 40464 ovnlecvr 40772 ovncvrrp 40778 hoidmvval 40791 vonioolem1 40894 |
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