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Mirrors > Home > MPE Home > Th. List > oen0 | Structured version Visualization version Unicode version |
Description: Ordinal exponentiation with a nonzero mantissa is nonzero. Proposition 8.32 of [TakeutiZaring] p. 67. (Contributed by NM, 4-Jan-2005.) |
Ref | Expression |
---|---|
oen0 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oveq2 6658 | . . . . . 6 | |
2 | 1 | eleq2d 2687 | . . . . 5 |
3 | oveq2 6658 | . . . . . 6 | |
4 | 3 | eleq2d 2687 | . . . . 5 |
5 | oveq2 6658 | . . . . . 6 | |
6 | 5 | eleq2d 2687 | . . . . 5 |
7 | oveq2 6658 | . . . . . 6 | |
8 | 7 | eleq2d 2687 | . . . . 5 |
9 | 0lt1o 7584 | . . . . . . 7 | |
10 | oe0 7602 | . . . . . . 7 | |
11 | 9, 10 | syl5eleqr 2708 | . . . . . 6 |
12 | 11 | adantr 481 | . . . . 5 |
13 | simpl 473 | . . . . . . . . . . . 12 | |
14 | oecl 7617 | . . . . . . . . . . . 12 | |
15 | 13, 14 | jca 554 | . . . . . . . . . . 11 |
16 | omordi 7646 | . . . . . . . . . . . 12 | |
17 | om0 7597 | . . . . . . . . . . . . . 14 | |
18 | 17 | eleq1d 2686 | . . . . . . . . . . . . 13 |
19 | 18 | ad2antlr 763 | . . . . . . . . . . . 12 |
20 | 16, 19 | sylibd 229 | . . . . . . . . . . 11 |
21 | 15, 20 | sylan 488 | . . . . . . . . . 10 |
22 | oesuc 7607 | . . . . . . . . . . . 12 | |
23 | 22 | eleq2d 2687 | . . . . . . . . . . 11 |
24 | 23 | adantr 481 | . . . . . . . . . 10 |
25 | 21, 24 | sylibrd 249 | . . . . . . . . 9 |
26 | 25 | exp31 630 | . . . . . . . 8 |
27 | 26 | com12 32 | . . . . . . 7 |
28 | 27 | com34 91 | . . . . . 6 |
29 | 28 | impd 447 | . . . . 5 |
30 | 0ellim 5787 | . . . . . . . . . . . 12 | |
31 | eqimss2 3658 | . . . . . . . . . . . . 13 | |
32 | 10, 31 | syl 17 | . . . . . . . . . . . 12 |
33 | oveq2 6658 | . . . . . . . . . . . . . 14 | |
34 | 33 | sseq2d 3633 | . . . . . . . . . . . . 13 |
35 | 34 | rspcev 3309 | . . . . . . . . . . . 12 |
36 | 30, 32, 35 | syl2an 494 | . . . . . . . . . . 11 |
37 | ssiun 4562 | . . . . . . . . . . 11 | |
38 | 36, 37 | syl 17 | . . . . . . . . . 10 |
39 | 38 | adantrr 753 | . . . . . . . . 9 |
40 | vex 3203 | . . . . . . . . . . . 12 | |
41 | oelim 7614 | . . . . . . . . . . . 12 | |
42 | 40, 41 | mpanlr1 722 | . . . . . . . . . . 11 |
43 | 42 | anasss 679 | . . . . . . . . . 10 |
44 | 43 | an12s 843 | . . . . . . . . 9 |
45 | 39, 44 | sseqtr4d 3642 | . . . . . . . 8 |
46 | limelon 5788 | . . . . . . . . . . . 12 | |
47 | 40, 46 | mpan 706 | . . . . . . . . . . 11 |
48 | oecl 7617 | . . . . . . . . . . . 12 | |
49 | 48 | ancoms 469 | . . . . . . . . . . 11 |
50 | 47, 49 | sylan 488 | . . . . . . . . . 10 |
51 | eloni 5733 | . . . . . . . . . 10 | |
52 | ordgt0ge1 7577 | . . . . . . . . . 10 | |
53 | 50, 51, 52 | 3syl 18 | . . . . . . . . 9 |
54 | 53 | adantrr 753 | . . . . . . . 8 |
55 | 45, 54 | mpbird 247 | . . . . . . 7 |
56 | 55 | ex 450 | . . . . . 6 |
57 | 56 | a1dd 50 | . . . . 5 |
58 | 2, 4, 6, 8, 12, 29, 57 | tfinds3 7064 | . . . 4 |
59 | 58 | expd 452 | . . 3 |
60 | 59 | com12 32 | . 2 |
61 | 60 | imp31 448 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wceq 1483 wcel 1990 wral 2912 wrex 2913 cvv 3200 wss 3574 c0 3915 ciun 4520 word 5722 con0 5723 wlim 5724 csuc 5725 (class class class)co 6650 c1o 7553 comu 7558 coe 7559 |
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-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 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-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-oadd 7564 df-omul 7565 df-oexp 7566 |
This theorem is referenced by: oeordi 7667 oeordsuc 7674 oeoelem 7678 oelimcl 7680 oeeui 7682 cantnflt 8569 cnfcom 8597 infxpenc 8841 infxpenc2 8845 |
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