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Mirrors > Home > MPE Home > Th. List > Mathboxes > fnejoin1 | Structured version Visualization version Unicode version |
Description: Join of equivalence classes under the fineness relation-part one. (Contributed by Jeff Hankins, 8-Oct-2009.) (Proof shortened by Mario Carneiro, 12-Sep-2015.) |
Ref | Expression |
---|---|
fnejoin1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elssuni 4467 | . . . . . 6 | |
2 | 1 | 3ad2ant3 1084 | . . . . 5 |
3 | 2 | unissd 4462 | . . . 4 |
4 | eqimss2 3658 | . . . . . . . . . 10 | |
5 | sspwuni 4611 | . . . . . . . . . 10 | |
6 | 4, 5 | sylibr 224 | . . . . . . . . 9 |
7 | 6 | ralimi 2952 | . . . . . . . 8 |
8 | 7 | 3ad2ant2 1083 | . . . . . . 7 |
9 | unissb 4469 | . . . . . . 7 | |
10 | 8, 9 | sylibr 224 | . . . . . 6 |
11 | sspwuni 4611 | . . . . . 6 | |
12 | 10, 11 | sylib 208 | . . . . 5 |
13 | unieq 4444 | . . . . . . . 8 | |
14 | 13 | eqeq2d 2632 | . . . . . . 7 |
15 | 14 | rspccva 3308 | . . . . . 6 |
16 | 15 | 3adant1 1079 | . . . . 5 |
17 | 12, 16 | sseqtrd 3641 | . . . 4 |
18 | 3, 17 | eqssd 3620 | . . 3 |
19 | pwexg 4850 | . . . . . . 7 | |
20 | 19 | 3ad2ant1 1082 | . . . . . 6 |
21 | 20, 10 | ssexd 4805 | . . . . 5 |
22 | bastg 20770 | . . . . 5 | |
23 | 21, 22 | syl 17 | . . . 4 |
24 | 2, 23 | sstrd 3613 | . . 3 |
25 | eqid 2622 | . . . 4 | |
26 | eqid 2622 | . . . 4 | |
27 | 25, 26 | isfne4 32335 | . . 3 |
28 | 18, 24, 27 | sylanbrc 698 | . 2 |
29 | ne0i 3921 | . . . 4 | |
30 | 29 | 3ad2ant3 1084 | . . 3 |
31 | ifnefalse 4098 | . . 3 | |
32 | 30, 31 | syl 17 | . 2 |
33 | 28, 32 | breqtrrd 4681 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 w3a 1037 wceq 1483 wcel 1990 wne 2794 wral 2912 cvv 3200 wss 3574 c0 3915 cif 4086 cpw 4158 csn 4177 cuni 4436 class class class wbr 4653 cfv 5888 ctg 16098 cfne 32331 |
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 ax-un 6949 |
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-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 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-iota 5851 df-fun 5890 df-fv 5896 df-topgen 16104 df-fne 32332 |
This theorem is referenced by: fnejoin2 32364 |
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