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Mirrors > Home > MPE Home > Th. List > rmo4 | Structured version Visualization version Unicode version |
Description: Restricted "at most one" using implicit substitution. (Contributed by NM, 24-Oct-2006.) (Revised by NM, 16-Jun-2017.) |
Ref | Expression |
---|---|
rmo4.1 |
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Ref | Expression |
---|---|
rmo4 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rmo 2920 |
. 2
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2 | an4 865 |
. . . . . . . . 9
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3 | ancom 466 |
. . . . . . . . . 10
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4 | 3 | anbi1i 731 |
. . . . . . . . 9
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5 | 2, 4 | bitri 264 |
. . . . . . . 8
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6 | 5 | imbi1i 339 |
. . . . . . 7
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7 | impexp 462 |
. . . . . . 7
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8 | impexp 462 |
. . . . . . 7
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9 | 6, 7, 8 | 3bitri 286 |
. . . . . 6
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10 | 9 | albii 1747 |
. . . . 5
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11 | df-ral 2917 |
. . . . 5
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12 | r19.21v 2960 |
. . . . 5
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13 | 10, 11, 12 | 3bitr2i 288 |
. . . 4
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14 | 13 | albii 1747 |
. . 3
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15 | eleq1 2689 |
. . . . 5
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16 | rmo4.1 |
. . . . 5
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17 | 15, 16 | anbi12d 747 |
. . . 4
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18 | 17 | mo4 2517 |
. . 3
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19 | df-ral 2917 |
. . 3
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20 | 14, 18, 19 | 3bitr4i 292 |
. 2
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21 | 1, 20 | bitri 264 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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-eu 2474 df-mo 2475 df-cleq 2615 df-clel 2618 df-ral 2917 df-rmo 2920 |
This theorem is referenced by: reu4 3400 disjor 4634 somo 5069 supmo 8358 infmo 8401 sqrmo 13992 catideu 16336 poslubmo 17146 posglbmo 17147 mgmidmo 17259 lspextmo 19056 evlseu 19516 ply1divmo 23895 tghilberti2 25533 foot 25614 mideu 25630 2sqmo 29649 cvmliftmo 31266 hilbert1.2 32262 poimirlem1 33410 poimirlem13 33422 poimirlem14 33423 poimirlem18 33427 poimirlem21 33430 inecmo 34120 idomsubgmo 37776 |
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