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Mirrors > Home > MPE Home > Th. List > fpr2g | Structured version Visualization version Unicode version |
Description: A function that maps a pair to a class is a pair of ordered pairs. (Contributed by Thierry Arnoux, 12-Jul-2020.) |
Ref | Expression |
---|---|
fpr2g |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 477 | . . . 4 | |
2 | prid1g 4295 | . . . . 5 | |
3 | 2 | ad2antrr 762 | . . . 4 |
4 | 1, 3 | ffvelrnd 6360 | . . 3 |
5 | prid2g 4296 | . . . . 5 | |
6 | 5 | ad2antlr 763 | . . . 4 |
7 | 1, 6 | ffvelrnd 6360 | . . 3 |
8 | ffn 6045 | . . . . 5 | |
9 | 8 | adantl 482 | . . . 4 |
10 | fnpr2g 6474 | . . . . 5 | |
11 | 10 | adantr 481 | . . . 4 |
12 | 9, 11 | mpbid 222 | . . 3 |
13 | 4, 7, 12 | 3jca 1242 | . 2 |
14 | 10 | biimpar 502 | . . . 4 |
15 | 14 | 3ad2antr3 1228 | . . 3 |
16 | simpr3 1069 | . . . 4 | |
17 | 2 | ad2antrr 762 | . . . . . . 7 |
18 | simpr1 1067 | . . . . . . 7 | |
19 | opelxpi 5148 | . . . . . . 7 | |
20 | 17, 18, 19 | syl2anc 693 | . . . . . 6 |
21 | 5 | ad2antlr 763 | . . . . . . 7 |
22 | simpr2 1068 | . . . . . . 7 | |
23 | opelxpi 5148 | . . . . . . 7 | |
24 | 21, 22, 23 | syl2anc 693 | . . . . . 6 |
25 | 20, 24 | jca 554 | . . . . 5 |
26 | opex 4932 | . . . . . 6 | |
27 | opex 4932 | . . . . . 6 | |
28 | 26, 27 | prss 4351 | . . . . 5 |
29 | 25, 28 | sylib 208 | . . . 4 |
30 | 16, 29 | eqsstrd 3639 | . . 3 |
31 | dff2 6371 | . . 3 | |
32 | 15, 30, 31 | sylanbrc 698 | . 2 |
33 | 13, 32 | impbida 877 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 w3a 1037 wceq 1483 wcel 1990 wss 3574 cpr 4179 cop 4183 cxp 5112 wfn 5883 wf 5884 cfv 5888 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 |
This theorem is referenced by: f1prex 6539 uhgrwkspthlem2 26650 |
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