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Mirrors > Home > MPE Home > Th. List > xadddi2 | Structured version Visualization version Unicode version |
Description: The assumption that the multiplier be real in xadddi 12125 can be relaxed if the addends have the same sign. (Contributed by Mario Carneiro, 20-Aug-2015.) |
Ref | Expression |
---|---|
xadddi2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 477 | . . . 4 | |
2 | simp2l 1087 | . . . . 5 | |
3 | 2 | ad2antrr 762 | . . . 4 |
4 | simp3l 1089 | . . . . 5 | |
5 | 4 | ad2antrr 762 | . . . 4 |
6 | xadddi 12125 | . . . 4 | |
7 | 1, 3, 5, 6 | syl3anc 1326 | . . 3 |
8 | pnfxr 10092 | . . . . . 6 | |
9 | 4 | adantr 481 | . . . . . . 7 |
10 | 9 | adantr 481 | . . . . . 6 |
11 | xmulcl 12103 | . . . . . 6 | |
12 | 8, 10, 11 | sylancr 695 | . . . . 5 |
13 | 8, 9, 11 | sylancr 695 | . . . . . . 7 |
14 | simpl3r 1117 | . . . . . . . 8 | |
15 | 0lepnf 11966 | . . . . . . . . 9 | |
16 | xmulge0 12114 | . . . . . . . . 9 | |
17 | 8, 15, 16 | mpanl12 718 | . . . . . . . 8 |
18 | 9, 14, 17 | syl2anc 693 | . . . . . . 7 |
19 | ge0nemnf 12004 | . . . . . . 7 | |
20 | 13, 18, 19 | syl2anc 693 | . . . . . 6 |
21 | 20 | adantr 481 | . . . . 5 |
22 | xaddpnf2 12058 | . . . . 5 | |
23 | 12, 21, 22 | syl2anc 693 | . . . 4 |
24 | oveq1 6657 | . . . . . 6 | |
25 | oveq1 6657 | . . . . . 6 | |
26 | 24, 25 | oveq12d 6668 | . . . . 5 |
27 | xmulpnf2 12105 | . . . . . . 7 | |
28 | 2, 27 | sylan 488 | . . . . . 6 |
29 | 28 | oveq1d 6665 | . . . . 5 |
30 | 26, 29 | sylan9eqr 2678 | . . . 4 |
31 | oveq1 6657 | . . . . 5 | |
32 | xaddcl 12070 | . . . . . . . 8 | |
33 | 2, 4, 32 | syl2anc 693 | . . . . . . 7 |
34 | 33 | adantr 481 | . . . . . 6 |
35 | 0xr 10086 | . . . . . . . 8 | |
36 | 35 | a1i 11 | . . . . . . 7 |
37 | 2 | adantr 481 | . . . . . . 7 |
38 | simpr 477 | . . . . . . 7 | |
39 | xaddid1 12072 | . . . . . . . . 9 | |
40 | 37, 39 | syl 17 | . . . . . . . 8 |
41 | xleadd2a 12084 | . . . . . . . . 9 | |
42 | 36, 9, 37, 14, 41 | syl31anc 1329 | . . . . . . . 8 |
43 | 40, 42 | eqbrtrrd 4677 | . . . . . . 7 |
44 | 36, 37, 34, 38, 43 | xrltletrd 11992 | . . . . . 6 |
45 | xmulpnf2 12105 | . . . . . 6 | |
46 | 34, 44, 45 | syl2anc 693 | . . . . 5 |
47 | 31, 46 | sylan9eqr 2678 | . . . 4 |
48 | 23, 30, 47 | 3eqtr4rd 2667 | . . 3 |
49 | mnfxr 10096 | . . . . . . 7 | |
50 | xmulcl 12103 | . . . . . . 7 | |
51 | 49, 9, 50 | sylancr 695 | . . . . . 6 |
52 | xnegmnf 12041 | . . . . . . . . . . . 12 | |
53 | 52 | oveq1i 6660 | . . . . . . . . . . 11 |
54 | xmulneg1 12099 | . . . . . . . . . . . 12 | |
55 | 49, 9, 54 | sylancr 695 | . . . . . . . . . . 11 |
56 | 53, 55 | syl5reqr 2671 | . . . . . . . . . 10 |
57 | xnegpnf 12040 | . . . . . . . . . . 11 | |
58 | 57 | a1i 11 | . . . . . . . . . 10 |
59 | 56, 58 | eqeq12d 2637 | . . . . . . . . 9 |
60 | xneg11 12046 | . . . . . . . . . 10 | |
61 | 51, 8, 60 | sylancl 694 | . . . . . . . . 9 |
62 | 59, 61 | bitr3d 270 | . . . . . . . 8 |
63 | 62 | necon3bid 2838 | . . . . . . 7 |
64 | 20, 63 | mpbid 222 | . . . . . 6 |
65 | xaddmnf2 12060 | . . . . . 6 | |
66 | 51, 64, 65 | syl2anc 693 | . . . . 5 |
67 | 66 | adantr 481 | . . . 4 |
68 | oveq1 6657 | . . . . . 6 | |
69 | oveq1 6657 | . . . . . 6 | |
70 | 68, 69 | oveq12d 6668 | . . . . 5 |
71 | xmulmnf2 12107 | . . . . . . 7 | |
72 | 2, 71 | sylan 488 | . . . . . 6 |
73 | 72 | oveq1d 6665 | . . . . 5 |
74 | 70, 73 | sylan9eqr 2678 | . . . 4 |
75 | oveq1 6657 | . . . . 5 | |
76 | xmulmnf2 12107 | . . . . . 6 | |
77 | 34, 44, 76 | syl2anc 693 | . . . . 5 |
78 | 75, 77 | sylan9eqr 2678 | . . . 4 |
79 | 67, 74, 78 | 3eqtr4rd 2667 | . . 3 |
80 | simpl1 1064 | . . . 4 | |
81 | elxr 11950 | . . . 4 | |
82 | 80, 81 | sylib 208 | . . 3 |
83 | 7, 48, 79, 82 | mpjao3dan 1395 | . 2 |
84 | simp1 1061 | . . . . . 6 | |
85 | xmulcl 12103 | . . . . . 6 | |
86 | 84, 4, 85 | syl2anc 693 | . . . . 5 |
87 | 86 | adantr 481 | . . . 4 |
88 | xaddid2 12073 | . . . 4 | |
89 | 87, 88 | syl 17 | . . 3 |
90 | oveq2 6658 | . . . . . 6 | |
91 | 90 | eqcomd 2628 | . . . . 5 |
92 | xmul01 12097 | . . . . . 6 | |
93 | 92 | 3ad2ant1 1082 | . . . . 5 |
94 | 91, 93 | sylan9eqr 2678 | . . . 4 |
95 | 94 | oveq1d 6665 | . . 3 |
96 | oveq1 6657 | . . . . . 6 | |
97 | 96 | eqcomd 2628 | . . . . 5 |
98 | xaddid2 12073 | . . . . . 6 | |
99 | 4, 98 | syl 17 | . . . . 5 |
100 | 97, 99 | sylan9eqr 2678 | . . . 4 |
101 | 100 | oveq2d 6666 | . . 3 |
102 | 89, 95, 101 | 3eqtr4rd 2667 | . 2 |
103 | simp2r 1088 | . . 3 | |
104 | xrleloe 11977 | . . . 4 | |
105 | 35, 2, 104 | sylancr 695 | . . 3 |
106 | 103, 105 | mpbid 222 | . 2 |
107 | 83, 102, 106 | mpjaodan 827 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wo 383 wa 384 w3o 1036 w3a 1037 wceq 1483 wcel 1990 wne 2794 class class class wbr 4653 (class class class)co 6650 cr 9935 cc0 9936 cpnf 10071 cmnf 10072 cxr 10073 clt 10074 cle 10075 cxne 11943 cxad 11944 cxmu 11945 |
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-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 |
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-nel 2898 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-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-po 5035 df-so 5036 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-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-1st 7168 df-2nd 7169 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-xneg 11946 df-xadd 11947 df-xmul 11948 |
This theorem is referenced by: xadddi2r 12128 |
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