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Mirrors > Home > MPE Home > Th. List > fsuppmptif | Structured version Visualization version Unicode version |
Description: A function mapping an argument to either a value of a finitely supported function or zero is finitely supported. (Contributed by AV, 6-Jun-2019.) |
Ref | Expression |
---|---|
fsuppmptif.f |
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fsuppmptif.a |
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fsuppmptif.z |
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fsuppmptif.s |
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Ref | Expression |
---|---|
fsuppmptif |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fvex 6201 |
. . . . 5
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2 | fsuppmptif.z |
. . . . . 6
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3 | 2 | adantr 481 |
. . . . 5
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4 | ifexg 4157 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
5 | 1, 3, 4 | sylancr 695 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
6 | eqid 2622 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
7 | 5, 6 | fmptd 6385 |
. . 3
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8 | ffun 6048 |
. . 3
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9 | 7, 8 | syl 17 |
. 2
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10 | fsuppmptif.s |
. . . 4
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11 | 10 | fsuppimpd 8282 |
. . 3
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12 | fsuppmptif.f |
. . . . . . 7
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13 | ssid 3624 |
. . . . . . . 8
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14 | 13 | a1i 11 |
. . . . . . 7
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15 | fsuppmptif.a |
. . . . . . 7
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16 | 12, 14, 15, 2 | suppssr 7326 |
. . . . . 6
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17 | 16 | ifeq1d 4104 |
. . . . 5
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18 | ifid 4125 |
. . . . 5
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19 | 17, 18 | syl6eq 2672 |
. . . 4
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20 | 19, 15 | suppss2 7329 |
. . 3
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21 | ssfi 8180 |
. . 3
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22 | 11, 20, 21 | syl2anc 693 |
. 2
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23 | mptexg 6484 |
. . . 4
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24 | 15, 23 | syl 17 |
. . 3
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25 | isfsupp 8279 |
. . 3
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26 | 24, 2, 25 | syl2anc 693 |
. 2
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27 | 9, 22, 26 | mpbir2and 957 |
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-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-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-supp 7296 df-er 7742 df-en 7956 df-fin 7959 df-fsupp 8276 |
This theorem is referenced by: cantnflem1d 8585 gsumzsplit 18327 |
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