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Mirrors > Home > ILE Home > Th. List > fun11 | Unicode version |
Description: Two ways of stating that is one-to-one (but not necessarily a function). Each side is equivalent to Definition 6.4(3) of [TakeutiZaring] p. 24, who use the notation "Un2 (A)" for one-to-one (but not necessarily a function). (Contributed by NM, 17-Jan-2006.) |
Ref | Expression |
---|---|
fun11 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dfbi2 385 | . . . . . . . 8 | |
2 | 1 | imbi2i 225 | . . . . . . 7 |
3 | pm4.76 593 | . . . . . . 7 | |
4 | bi2.04 247 | . . . . . . . 8 | |
5 | bi2.04 247 | . . . . . . . 8 | |
6 | 4, 5 | anbi12i 455 | . . . . . . 7 |
7 | 2, 3, 6 | 3bitr2i 207 | . . . . . 6 |
8 | 7 | 2albii 1447 | . . . . 5 |
9 | 19.26-2 1458 | . . . . 5 | |
10 | alcom 1454 | . . . . . . 7 | |
11 | nfv 1508 | . . . . . . . . 9 | |
12 | breq1 3927 | . . . . . . . . . . 11 | |
13 | 12 | anbi1d 460 | . . . . . . . . . 10 |
14 | 13 | imbi1d 230 | . . . . . . . . 9 |
15 | 11, 14 | equsal 1705 | . . . . . . . 8 |
16 | 15 | albii 1446 | . . . . . . 7 |
17 | 10, 16 | bitri 183 | . . . . . 6 |
18 | nfv 1508 | . . . . . . . 8 | |
19 | breq2 3928 | . . . . . . . . . 10 | |
20 | 19 | anbi1d 460 | . . . . . . . . 9 |
21 | 20 | imbi1d 230 | . . . . . . . 8 |
22 | 18, 21 | equsal 1705 | . . . . . . 7 |
23 | 22 | albii 1446 | . . . . . 6 |
24 | 17, 23 | anbi12i 455 | . . . . 5 |
25 | 8, 9, 24 | 3bitri 205 | . . . 4 |
26 | 25 | 2albii 1447 | . . 3 |
27 | 19.26-2 1458 | . . 3 | |
28 | 26, 27 | bitr2i 184 | . 2 |
29 | fun2cnv 5182 | . . . 4 | |
30 | breq2 3928 | . . . . . 6 | |
31 | 30 | mo4 2058 | . . . . 5 |
32 | 31 | albii 1446 | . . . 4 |
33 | alcom 1454 | . . . . 5 | |
34 | 33 | albii 1446 | . . . 4 |
35 | 29, 32, 34 | 3bitri 205 | . . 3 |
36 | funcnv2 5178 | . . . 4 | |
37 | breq1 3927 | . . . . . 6 | |
38 | 37 | mo4 2058 | . . . . 5 |
39 | 38 | albii 1446 | . . . 4 |
40 | alcom 1454 | . . . . . 6 | |
41 | 40 | albii 1446 | . . . . 5 |
42 | alcom 1454 | . . . . 5 | |
43 | 41, 42 | bitri 183 | . . . 4 |
44 | 36, 39, 43 | 3bitri 205 | . . 3 |
45 | 35, 44 | anbi12i 455 | . 2 |
46 | alrot4 1462 | . 2 | |
47 | 28, 45, 46 | 3bitr4i 211 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wal 1329 wmo 1998 class class class wbr 3924 ccnv 4533 wfun 5112 |
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 2119 ax-sep 4041 ax-pow 4093 ax-pr 4126 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ral 2419 df-rex 2420 df-v 2683 df-un 3070 df-in 3072 df-ss 3079 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-br 3925 df-opab 3985 df-id 4210 df-xp 4540 df-rel 4541 df-cnv 4542 df-co 4543 df-fun 5120 |
This theorem is referenced by: (None) |
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