Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > funcnv3 | Unicode version |
Description: A condition showing a class is single-rooted. (See funcnv 5259). (Contributed by NM, 26-May-2006.) |
Ref | Expression |
---|---|
funcnv3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dfrn2 4799 | . . . . . 6 | |
2 | 1 | abeq2i 2281 | . . . . 5 |
3 | 2 | biimpi 119 | . . . 4 |
4 | 3 | biantrurd 303 | . . 3 |
5 | 4 | ralbiia 2484 | . 2 |
6 | funcnv 5259 | . 2 | |
7 | df-reu 2455 | . . . 4 | |
8 | vex 2733 | . . . . . . 7 | |
9 | vex 2733 | . . . . . . 7 | |
10 | 8, 9 | breldm 4815 | . . . . . 6 |
11 | 10 | pm4.71ri 390 | . . . . 5 |
12 | 11 | eubii 2028 | . . . 4 |
13 | eu5 2066 | . . . 4 | |
14 | 7, 12, 13 | 3bitr2i 207 | . . 3 |
15 | 14 | ralbii 2476 | . 2 |
16 | 5, 6, 15 | 3bitr4i 211 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wb 104 wex 1485 weu 2019 wmo 2020 wcel 2141 wral 2448 wreu 2450 class class class wbr 3989 ccnv 4610 cdm 4611 crn 4612 wfun 5192 |
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 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-14 2144 ax-ext 2152 ax-sep 4107 ax-pow 4160 ax-pr 4194 |
This theorem depends on definitions: df-bi 116 df-3an 975 df-tru 1351 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ral 2453 df-rex 2454 df-reu 2455 df-v 2732 df-un 3125 df-in 3127 df-ss 3134 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-br 3990 df-opab 4051 df-id 4278 df-xp 4617 df-rel 4618 df-cnv 4619 df-co 4620 df-dm 4621 df-rn 4622 df-fun 5200 |
This theorem is referenced by: (None) |
Copyright terms: Public domain | W3C validator |