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Mirrors > Home > MPE Home > Th. List > df1o2 | Structured version Visualization version Unicode version |
Description: Expanded value of the ordinal number 1. (Contributed by NM, 4-Nov-2002.) |
Ref | Expression |
---|---|
df1o2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-1o 7560 | . 2 | |
2 | suc0 5799 | . 2 | |
3 | 1, 2 | eqtri 2644 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wceq 1483 c0 3915 csn 4177 csuc 5725 c1o 7553 |
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-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-v 3202 df-dif 3577 df-un 3579 df-nul 3916 df-suc 5729 df-1o 7560 |
This theorem is referenced by: df2o3 7573 df2o2 7574 1n0 7575 el1o 7579 dif1o 7580 0we1 7586 oeeui 7682 ensn1 8020 en1 8023 map1 8036 xp1en 8046 map2xp 8130 pwfi 8261 infxpenlem 8836 fseqenlem1 8847 cda1dif 8998 infcda1 9015 pwcda1 9016 infmap2 9040 cflim2 9085 pwxpndom2 9487 pwcdandom 9489 gchxpidm 9491 wuncval2 9569 tsk1 9586 hashen1 13160 hashmap 13222 sylow2alem2 18033 psr1baslem 19555 fvcoe1 19577 coe1f2 19579 coe1sfi 19583 coe1add 19634 coe1mul2lem1 19637 coe1mul2lem2 19638 coe1mul2 19639 coe1tm 19643 ply1coe 19666 evls1rhmlem 19686 evl1sca 19698 evl1var 19700 pf1mpf 19716 pf1ind 19719 mat0dimbas0 20272 mavmul0g 20359 hmph0 21598 tdeglem2 23821 deg1ldg 23852 deg1leb 23855 deg1val 23856 bnj105 30790 bnj96 30935 bnj98 30937 bnj149 30945 rankeq1o 32278 ordcmp 32446 ssoninhaus 32447 onint1 32448 poimirlem28 33437 reheibor 33638 wopprc 37597 pwslnmlem0 37661 pwfi2f1o 37666 lincval0 42204 lco0 42216 linds0 42254 |
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