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Mirrors > Home > ILE Home > Th. List > cncnp2m | Unicode version |
Description: A continuous function is continuous at all points. Theorem 7.2(g) of [Munkres] p. 107. (Contributed by Raph Levien, 20-Nov-2006.) (Revised by Jim Kingdon, 30-Mar-2023.) |
Ref | Expression |
---|---|
cncnp.1 |
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cncnp.2 |
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Ref | Expression |
---|---|
cncnp2m |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cntop1 13368 |
. . . . 5
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2 | cncnp.1 |
. . . . . 6
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3 | 2 | toptopon 13183 |
. . . . 5
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4 | 1, 3 | sylib 122 |
. . . 4
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5 | cntop2 13369 |
. . . . 5
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6 | cncnp.2 |
. . . . . 6
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7 | 6 | toptopon 13183 |
. . . . 5
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8 | 5, 7 | sylib 122 |
. . . 4
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9 | 2, 6 | cnf 13371 |
. . . 4
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10 | 4, 8, 9 | jca31 309 |
. . 3
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11 | 10 | adantl 277 |
. 2
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12 | 3 | biimpi 120 |
. . . . 5
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13 | 12 | 3ad2ant1 1018 |
. . . 4
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14 | 13 | adantr 276 |
. . 3
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15 | 7 | biimpi 120 |
. . . . 5
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16 | 15 | 3ad2ant2 1019 |
. . . 4
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17 | 16 | adantr 276 |
. . 3
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18 | r19.2m 3509 |
. . . . . . 7
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19 | 18 | ex 115 |
. . . . . 6
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20 | 19 | 3ad2ant3 1020 |
. . . . 5
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21 | cnpf2 13374 |
. . . . . . . 8
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22 | 21 | 3expia 1205 |
. . . . . . 7
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23 | 22 | rexlimdvw 2598 |
. . . . . 6
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24 | 13, 16, 23 | syl2anc 411 |
. . . . 5
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25 | 20, 24 | syld 45 |
. . . 4
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26 | 25 | imp 124 |
. . 3
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27 | 14, 17, 26 | jca31 309 |
. 2
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28 | cncnp 13397 |
. . 3
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29 | 28 | baibd 923 |
. 2
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30 | 11, 27, 29 | pm5.21nd 916 |
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 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-coll 4115 ax-sep 4118 ax-pow 4171 ax-pr 4206 ax-un 4430 ax-setind 4533 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-ral 2460 df-rex 2461 df-reu 2462 df-rab 2464 df-v 2739 df-sbc 2963 df-csb 3058 df-dif 3131 df-un 3133 df-in 3135 df-ss 3142 df-pw 3576 df-sn 3597 df-pr 3598 df-op 3600 df-uni 3808 df-iun 3886 df-br 4001 df-opab 4062 df-mpt 4063 df-id 4290 df-xp 4629 df-rel 4630 df-cnv 4631 df-co 4632 df-dm 4633 df-rn 4634 df-res 4635 df-ima 4636 df-iota 5174 df-fun 5214 df-fn 5215 df-f 5216 df-f1 5217 df-fo 5218 df-f1o 5219 df-fv 5220 df-ov 5872 df-oprab 5873 df-mpo 5874 df-1st 6135 df-2nd 6136 df-map 6644 df-topgen 12657 df-top 13163 df-topon 13176 df-cn 13355 df-cnp 13356 |
This theorem is referenced by: (None) |
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