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Mirrors > Home > ILE Home > Th. List > cntop2 | Unicode version |
Description: Reverse closure for a continuous function. (Contributed by Mario Carneiro, 21-Aug-2015.) |
Ref | Expression |
---|---|
cntop2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2187 |
. . . 4
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2 | eqid 2187 |
. . . 4
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3 | 1, 2 | iscn2 13971 |
. . 3
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4 | 3 | simplbi 274 |
. 2
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5 | 4 | simprd 114 |
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 1457 ax-7 1458 ax-gen 1459 ax-ie1 1503 ax-ie2 1504 ax-8 1514 ax-10 1515 ax-11 1516 ax-i12 1517 ax-bndl 1519 ax-4 1520 ax-17 1536 ax-i9 1540 ax-ial 1544 ax-i5r 1545 ax-13 2160 ax-14 2161 ax-ext 2169 ax-sep 4133 ax-pow 4186 ax-pr 4221 ax-un 4445 ax-setind 4548 |
This theorem depends on definitions: df-bi 117 df-3an 981 df-tru 1366 df-fal 1369 df-nf 1471 df-sb 1773 df-eu 2039 df-mo 2040 df-clab 2174 df-cleq 2180 df-clel 2183 df-nfc 2318 df-ne 2358 df-ral 2470 df-rex 2471 df-rab 2474 df-v 2751 df-sbc 2975 df-csb 3070 df-dif 3143 df-un 3145 df-in 3147 df-ss 3154 df-pw 3589 df-sn 3610 df-pr 3611 df-op 3613 df-uni 3822 df-iun 3900 df-br 4016 df-opab 4077 df-mpt 4078 df-id 4305 df-xp 4644 df-rel 4645 df-cnv 4646 df-co 4647 df-dm 4648 df-rn 4649 df-res 4650 df-ima 4651 df-iota 5190 df-fun 5230 df-fn 5231 df-f 5232 df-fv 5236 df-ov 5891 df-oprab 5892 df-mpo 5893 df-1st 6154 df-2nd 6155 df-map 6663 df-top 13769 df-topon 13782 df-cn 13959 |
This theorem is referenced by: cnco 13992 cnntri 13995 cnss1 13997 cncnpi 13999 cncnp2m 14002 cnrest 14006 cnrest2r 14008 lmcn 14022 txcnmpt 14044 uptx 14045 lmcn2 14051 cnmpt11 14054 cnmpt11f 14055 cnmpt1t 14056 cnmpt12 14058 cnmpt21 14062 cnmpt2t 14064 cnmpt22 14065 cnmpt22f 14066 cnmptcom 14069 hmeof1o 14080 hmeontr 14084 hmeores 14086 txhmeo 14090 |
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