| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > unsnfidcex | Unicode version | ||
| Description: The |
| Ref | Expression |
|---|---|
| unsnfidcex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | isfi 6933 |
. . . . 5
| |
| 2 | 1 | biimpi 120 |
. . . 4
|
| 3 | 2 | 3ad2ant1 1044 |
. . 3
|
| 4 | isfi 6933 |
. . . . . . 7
| |
| 5 | 4 | biimpi 120 |
. . . . . 6
|
| 6 | 5 | 3ad2ant3 1046 |
. . . . 5
|
| 7 | 6 | adantr 276 |
. . . 4
|
| 8 | simprr 533 |
. . . . . . . . . 10
| |
| 9 | 8 | ad3antrrr 492 |
. . . . . . . . 9
|
| 10 | simplr 529 |
. . . . . . . . 9
| |
| 11 | 9, 10 | breqtrrd 4116 |
. . . . . . . 8
|
| 12 | simprr 533 |
. . . . . . . . . 10
| |
| 13 | 12 | ad2antrr 488 |
. . . . . . . . 9
|
| 14 | 13 | ensymd 6956 |
. . . . . . . 8
|
| 15 | entr 6957 |
. . . . . . . 8
| |
| 16 | 11, 14, 15 | syl2anc 411 |
. . . . . . 7
|
| 17 | simp1 1023 |
. . . . . . . . 9
| |
| 18 | 17 | ad4antr 494 |
. . . . . . . 8
|
| 19 | simpr 110 |
. . . . . . . . 9
| |
| 20 | simp2 1024 |
. . . . . . . . . 10
| |
| 21 | 20 | ad4antr 494 |
. . . . . . . . 9
|
| 22 | 19, 21 | eldifd 3210 |
. . . . . . . 8
|
| 23 | php5fin 7070 |
. . . . . . . 8
| |
| 24 | 18, 22, 23 | syl2anc 411 |
. . . . . . 7
|
| 25 | 16, 24 | pm2.65da 667 |
. . . . . 6
|
| 26 | 25 | orcd 740 |
. . . . 5
|
| 27 | 8 | ad3antrrr 492 |
. . . . . . . . . . 11
|
| 28 | 27 | ensymd 6956 |
. . . . . . . . . 10
|
| 29 | snprc 3734 |
. . . . . . . . . . . . . . 15
| |
| 30 | 29 | biimpi 120 |
. . . . . . . . . . . . . 14
|
| 31 | 30 | uneq2d 3361 |
. . . . . . . . . . . . 13
|
| 32 | un0 3528 |
. . . . . . . . . . . . 13
| |
| 33 | 31, 32 | eqtrdi 2280 |
. . . . . . . . . . . 12
|
| 34 | 33 | adantl 277 |
. . . . . . . . . . 11
|
| 35 | 12 | ad2antrr 488 |
. . . . . . . . . . 11
|
| 36 | 34, 35 | eqbrtrrd 4112 |
. . . . . . . . . 10
|
| 37 | entr 6957 |
. . . . . . . . . 10
| |
| 38 | 28, 36, 37 | syl2anc 411 |
. . . . . . . . 9
|
| 39 | simplrl 537 |
. . . . . . . . . . 11
| |
| 40 | 39 | ad2antrr 488 |
. . . . . . . . . 10
|
| 41 | simprl 531 |
. . . . . . . . . . 11
| |
| 42 | 41 | ad2antrr 488 |
. . . . . . . . . 10
|
| 43 | nneneq 7042 |
. . . . . . . . . 10
| |
| 44 | 40, 42, 43 | syl2anc 411 |
. . . . . . . . 9
|
| 45 | 38, 44 | mpbid 147 |
. . . . . . . 8
|
| 46 | 45 | eqcomd 2237 |
. . . . . . 7
|
| 47 | simplr 529 |
. . . . . . 7
| |
| 48 | 46, 47 | pm2.65da 667 |
. . . . . 6
|
| 49 | 48 | olcd 741 |
. . . . 5
|
| 50 | nndceq 6666 |
. . . . . . 7
| |
| 51 | 41, 39, 50 | syl2anc 411 |
. . . . . 6
|
| 52 | exmiddc 843 |
. . . . . 6
| |
| 53 | 51, 52 | syl 14 |
. . . . 5
|
| 54 | 26, 49, 53 | mpjaodan 805 |
. . . 4
|
| 55 | 7, 54 | rexlimddv 2655 |
. . 3
|
| 56 | 3, 55 | rexlimddv 2655 |
. 2
|
| 57 | df-dc 842 |
. 2
| |
| 58 | 56, 57 | sylibr 134 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-nul 4215 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-iinf 4686 |
| This theorem depends on definitions: df-bi 117 df-dc 842 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-sbc 3032 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-nul 3495 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-opab 4151 df-tr 4188 df-id 4390 df-iord 4463 df-on 4465 df-suc 4468 df-iom 4689 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 df-fv 5334 df-1o 6581 df-er 6701 df-en 6909 df-fin 6911 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |