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Mirrors > Home > ILE Home > Th. List > domnmuln0 | Unicode version |
Description: In a domain, a product of nonzero elements is nonzero. (Contributed by Mario Carneiro, 6-May-2015.) |
Ref | Expression |
---|---|
domneq0.b |
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domneq0.t |
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domneq0.z |
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Ref | Expression |
---|---|
domnmuln0 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | an4 586 |
. . 3
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2 | neanior 2451 |
. . . . . 6
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3 | domneq0.b |
. . . . . . . . 9
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4 | domneq0.t |
. . . . . . . . 9
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5 | domneq0.z |
. . . . . . . . 9
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6 | 3, 4, 5 | domneq0 13752 |
. . . . . . . 8
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7 | 6 | 3expb 1206 |
. . . . . . 7
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8 | 7 | necon3abid 2403 |
. . . . . 6
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9 | 2, 8 | bitr4id 199 |
. . . . 5
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10 | 9 | biimpd 144 |
. . . 4
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11 | 10 | expimpd 363 |
. . 3
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12 | 1, 11 | biimtrid 152 |
. 2
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13 | 12 | 3impib 1203 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-coll 4144 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4462 ax-setind 4565 ax-cnex 7953 ax-resscn 7954 ax-1cn 7955 ax-1re 7956 ax-icn 7957 ax-addcl 7958 ax-addrcl 7959 ax-mulcl 7960 ax-addcom 7962 ax-addass 7964 ax-i2m1 7967 ax-0lt1 7968 ax-0id 7970 ax-rnegex 7971 ax-pre-ltirr 7974 ax-pre-ltadd 7978 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-nel 2460 df-ral 2477 df-rex 2478 df-reu 2479 df-rmo 2480 df-rab 2481 df-v 2762 df-sbc 2986 df-csb 3081 df-dif 3155 df-un 3157 df-in 3159 df-ss 3166 df-nul 3447 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-int 3871 df-iun 3914 df-br 4030 df-opab 4091 df-mpt 4092 df-id 4322 df-xp 4661 df-rel 4662 df-cnv 4663 df-co 4664 df-dm 4665 df-rn 4666 df-res 4667 df-ima 4668 df-iota 5207 df-fun 5248 df-fn 5249 df-f 5250 df-f1 5251 df-fo 5252 df-f1o 5253 df-fv 5254 df-riota 5865 df-ov 5913 df-oprab 5914 df-mpo 5915 df-pnf 8046 df-mnf 8047 df-ltxr 8049 df-inn 8973 df-2 9031 df-3 9032 df-ndx 12611 df-slot 12612 df-base 12614 df-sets 12615 df-plusg 12698 df-mulr 12699 df-0g 12859 df-mgm 12929 df-sgrp 12975 df-mnd 12988 df-grp 13065 df-minusg 13066 df-mgp 13401 df-ring 13478 df-nzr 13660 df-domn 13739 |
This theorem is referenced by: (None) |
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