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Mirrors > Home > ILE Home > Th. List > ofrval | Unicode version |
Description: Exhibit a function relation at a point. (Contributed by Mario Carneiro, 28-Jul-2014.) |
Ref | Expression |
---|---|
offval.1 | |
offval.2 | |
offval.3 | |
offval.4 | |
offval.5 | |
ofrval.6 | |
ofrval.7 |
Ref | Expression |
---|---|
ofrval |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | offval.1 | . . . . . 6 | |
2 | offval.2 | . . . . . 6 | |
3 | offval.3 | . . . . . 6 | |
4 | offval.4 | . . . . . 6 | |
5 | offval.5 | . . . . . 6 | |
6 | eqidd 2140 | . . . . . 6 | |
7 | eqidd 2140 | . . . . . 6 | |
8 | 1, 2, 3, 4, 5, 6, 7 | ofrfval 5990 | . . . . 5 |
9 | 8 | biimpa 294 | . . . 4 |
10 | fveq2 5421 | . . . . . 6 | |
11 | fveq2 5421 | . . . . . 6 | |
12 | 10, 11 | breq12d 3942 | . . . . 5 |
13 | 12 | rspccv 2786 | . . . 4 |
14 | 9, 13 | syl 14 | . . 3 |
15 | 14 | 3impia 1178 | . 2 |
16 | simp1 981 | . . 3 | |
17 | inss1 3296 | . . . . 5 | |
18 | 5, 17 | eqsstrri 3130 | . . . 4 |
19 | simp3 983 | . . . 4 | |
20 | 18, 19 | sseldi 3095 | . . 3 |
21 | ofrval.6 | . . 3 | |
22 | 16, 20, 21 | syl2anc 408 | . 2 |
23 | inss2 3297 | . . . . 5 | |
24 | 5, 23 | eqsstrri 3130 | . . . 4 |
25 | 24, 19 | sseldi 3095 | . . 3 |
26 | ofrval.7 | . . 3 | |
27 | 16, 25, 26 | syl2anc 408 | . 2 |
28 | 15, 22, 27 | 3brtr3d 3959 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 w3a 962 wceq 1331 wcel 1480 wral 2416 cin 3070 class class class wbr 3929 wfn 5118 cfv 5123 cofr 5981 |
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 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-coll 4043 ax-sep 4046 ax-pow 4098 ax-pr 4131 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-reu 2423 df-rab 2425 df-v 2688 df-sbc 2910 df-csb 3004 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-iun 3815 df-br 3930 df-opab 3990 df-mpt 3991 df-id 4215 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-rn 4550 df-res 4551 df-ima 4552 df-iota 5088 df-fun 5125 df-fn 5126 df-f 5127 df-f1 5128 df-fo 5129 df-f1o 5130 df-fv 5131 df-ofr 5983 |
This theorem is referenced by: (None) |
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