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Mirrors > Home > MPE Home > Th. List > Mathboxes > relrngo | Structured version Visualization version Unicode version |
Description: The class of all unital rings is a relation. (Contributed by FL, 31-Aug-2009.) (Revised by Mario Carneiro, 21-Dec-2013.) (New usage is discouraged.) |
Ref | Expression |
---|---|
relrngo |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rngo 33694 | . 2 | |
2 | 1 | relopabi 5245 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wa 384 w3a 1037 wceq 1483 wcel 1990 wral 2912 wrex 2913 cxp 5112 crn 5115 wrel 5119 wf 5884 (class class class)co 6650 cablo 27398 crngo 33693 |
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 |
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-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 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-opab 4713 df-xp 5120 df-rel 5121 df-rngo 33694 |
This theorem is referenced by: isrngo 33696 rngoi 33698 rngoablo2 33708 rngosn3 33723 isdrngo1 33755 iscrngo2 33796 |
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