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Mirrors > Home > ILE Home > Th. List > fmptcos | Unicode version |
Description: Composition of two functions expressed as mapping abstractions. (Contributed by NM, 22-May-2006.) (Revised by Mario Carneiro, 31-Aug-2015.) |
Ref | Expression |
---|---|
fmptcof.1 | |
fmptcof.2 | |
fmptcof.3 |
Ref | Expression |
---|---|
fmptcos |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fmptcof.1 | . 2 | |
2 | fmptcof.2 | . 2 | |
3 | fmptcof.3 | . . 3 | |
4 | nfcv 2258 | . . . 4 | |
5 | nfcsb1v 3005 | . . . 4 | |
6 | csbeq1a 2983 | . . . 4 | |
7 | 4, 5, 6 | cbvmpt 3993 | . . 3 |
8 | 3, 7 | syl6eq 2166 | . 2 |
9 | csbeq1 2978 | . 2 | |
10 | 1, 2, 8, 9 | fmptcof 5555 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1316 wcel 1465 wral 2393 csb 2975 cmpt 3959 ccom 4513 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 683 ax-5 1408 ax-7 1409 ax-gen 1410 ax-ie1 1454 ax-ie2 1455 ax-8 1467 ax-10 1468 ax-11 1469 ax-i12 1470 ax-bndl 1471 ax-4 1472 ax-14 1477 ax-17 1491 ax-i9 1495 ax-ial 1499 ax-i5r 1500 ax-ext 2099 ax-sep 4016 ax-pow 4068 ax-pr 4101 |
This theorem depends on definitions: df-bi 116 df-3an 949 df-tru 1319 df-nf 1422 df-sb 1721 df-eu 1980 df-mo 1981 df-clab 2104 df-cleq 2110 df-clel 2113 df-nfc 2247 df-ral 2398 df-rex 2399 df-rab 2402 df-v 2662 df-sbc 2883 df-csb 2976 df-un 3045 df-in 3047 df-ss 3054 df-pw 3482 df-sn 3503 df-pr 3504 df-op 3506 df-uni 3707 df-br 3900 df-opab 3960 df-mpt 3961 df-id 4185 df-xp 4515 df-rel 4516 df-cnv 4517 df-co 4518 df-dm 4519 df-rn 4520 df-res 4521 df-ima 4522 df-iota 5058 df-fun 5095 df-fn 5096 df-f 5097 df-fv 5101 |
This theorem is referenced by: fmpoco 6081 |
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