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| Description: The size of the set exponential of two finite sets is the exponential of their sizes. (This is the original motivation behind the notation for set exponentiation.) (Contributed by Mario Carneiro, 5-Aug-2014.) (Proof shortened by AV, 18-Jul-2022.) |
| Ref | Expression |
|---|---|
| hashmap |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveq2 6096 |
. . . . . 6
| |
| 2 | 1 | fveq2d 5702 |
. . . . 5
|
| 3 | fveq2 5698 |
. . . . . 6
| |
| 4 | 3 | oveq2d 6104 |
. . . . 5
|
| 5 | 2, 4 | eqeq12d 2253 |
. . . 4
|
| 6 | 5 | imbi2d 230 |
. . 3
|
| 7 | oveq2 6096 |
. . . . . 6
| |
| 8 | 7 | fveq2d 5702 |
. . . . 5
|
| 9 | fveq2 5698 |
. . . . . 6
| |
| 10 | 9 | oveq2d 6104 |
. . . . 5
|
| 11 | 8, 10 | eqeq12d 2253 |
. . . 4
|
| 12 | 11 | imbi2d 230 |
. . 3
|
| 13 | oveq2 6096 |
. . . . . 6
| |
| 14 | 13 | fveq2d 5702 |
. . . . 5
|
| 15 | fveq2 5698 |
. . . . . 6
| |
| 16 | 15 | oveq2d 6104 |
. . . . 5
|
| 17 | 14, 16 | eqeq12d 2253 |
. . . 4
|
| 18 | 17 | imbi2d 230 |
. . 3
|
| 19 | oveq2 6096 |
. . . . . 6
| |
| 20 | 19 | fveq2d 5702 |
. . . . 5
|
| 21 | fveq2 5698 |
. . . . . 6
| |
| 22 | 21 | oveq2d 6104 |
. . . . 5
|
| 23 | 20, 22 | eqeq12d 2253 |
. . . 4
|
| 24 | 23 | imbi2d 230 |
. . 3
|
| 25 | hashcl 11242 |
. . . . . 6
| |
| 26 | 25 | nn0cnd 9633 |
. . . . 5
|
| 27 | 26 | exp0d 11126 |
. . . 4
|
| 28 | hash0 11257 |
. . . . . 6
| |
| 29 | 28 | oveq2i 6099 |
. . . . 5
|
| 30 | 29 | a1i 9 |
. . . 4
|
| 31 | mapdm0 6941 |
. . . . . 6
| |
| 32 | 31 | fveq2d 5702 |
. . . . 5
|
| 33 | 0ex 4262 |
. . . . . 6
| |
| 34 | hashsng 11259 |
. . . . . 6
| |
| 35 | 33, 34 | mp1i 10 |
. . . . 5
|
| 36 | 32, 35 | eqtrd 2271 |
. . . 4
|
| 37 | 27, 30, 36 | 3eqtr4rd 2282 |
. . 3
|
| 38 | oveq1 6095 |
. . . . . 6
| |
| 39 | vex 2824 |
. . . . . . . . . . 11
| |
| 40 | 39 | a1i 9 |
. . . . . . . . . 10
|
| 41 | vsnex 4350 |
. . . . . . . . . . 11
| |
| 42 | 41 | a1i 9 |
. . . . . . . . . 10
|
| 43 | elex 2833 |
. . . . . . . . . . 11
| |
| 44 | 43 | adantr 276 |
. . . . . . . . . 10
|
| 45 | simprr 537 |
. . . . . . . . . . 11
| |
| 46 | disjsn 3771 |
. . . . . . . . . . 11
| |
| 47 | 45, 46 | sylibr 134 |
. . . . . . . . . 10
|
| 48 | mapunen 7155 |
. . . . . . . . . 10
| |
| 49 | 40, 42, 44, 47, 48 | syl31anc 1281 |
. . . . . . . . 9
|
| 50 | simpl 109 |
. . . . . . . . . . 11
| |
| 51 | simprl 535 |
. . . . . . . . . . . 12
| |
| 52 | vex 2824 |
. . . . . . . . . . . . 13
| |
| 53 | 52 | a1i 9 |
. . . . . . . . . . . 12
|
| 54 | unsnfi 7230 |
. . . . . . . . . . . 12
| |
| 55 | 51, 53, 45, 54 | syl3anc 1278 |
. . . . . . . . . . 11
|
| 56 | mapfi 7265 |
. . . . . . . . . . 11
| |
| 57 | 50, 55, 56 | syl2anc 415 |
. . . . . . . . . 10
|
| 58 | mapfi 7265 |
. . . . . . . . . . . 12
| |
| 59 | 58 | adantrr 483 |
. . . . . . . . . . 11
|
| 60 | snfig 7107 |
. . . . . . . . . . . . 13
| |
| 61 | 60 | elv 2825 |
. . . . . . . . . . . 12
|
| 62 | mapfi 7265 |
. . . . . . . . . . . 12
| |
| 63 | 50, 61, 62 | sylancl 417 |
. . . . . . . . . . 11
|
| 64 | xpfi 7243 |
. . . . . . . . . . 11
| |
| 65 | 59, 63, 64 | syl2anc 415 |
. . . . . . . . . 10
|
| 66 | hashen 11245 |
. . . . . . . . . 10
| |
| 67 | 57, 65, 66 | syl2anc 415 |
. . . . . . . . 9
|
| 68 | 49, 67 | mpbird 167 |
. . . . . . . 8
|
| 69 | hashxp 11289 |
. . . . . . . . 9
| |
| 70 | 59, 63, 69 | syl2anc 415 |
. . . . . . . 8
|
| 71 | 50, 53 | mapsnend 7103 |
. . . . . . . . . 10
|
| 72 | hashen 11245 |
. . . . . . . . . . 11
| |
| 73 | 63, 50, 72 | syl2anc 415 |
. . . . . . . . . 10
|
| 74 | 71, 73 | mpbird 167 |
. . . . . . . . 9
|
| 75 | 74 | oveq2d 6104 |
. . . . . . . 8
|
| 76 | 68, 70, 75 | 3eqtrd 2275 |
. . . . . . 7
|
| 77 | hashunsng 11270 |
. . . . . . . . . . 11
| |
| 78 | 77 | elv 2825 |
. . . . . . . . . 10
|
| 79 | 78 | adantl 277 |
. . . . . . . . 9
|
| 80 | 79 | oveq2d 6104 |
. . . . . . . 8
|
| 81 | 26 | adantr 276 |
. . . . . . . . 9
|
| 82 | hashcl 11242 |
. . . . . . . . . 10
| |
| 83 | 82 | ad2antrl 494 |
. . . . . . . . 9
|
| 84 | 81, 83 | expp1d 11133 |
. . . . . . . 8
|
| 85 | 80, 84 | eqtrd 2271 |
. . . . . . 7
|
| 86 | 76, 85 | eqeq12d 2253 |
. . . . . 6
|
| 87 | 38, 86 | imbitrrid 156 |
. . . . 5
|
| 88 | 87 | expcom 116 |
. . . 4
|
| 89 | 88 | a2d 26 |
. . 3
|
| 90 | 6, 12, 18, 24, 37, 89 | findcard2s 7198 |
. 2
|
| 91 | 90 | impcom 125 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4248 ax-sep 4251 ax-nul 4261 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-iinf 4737 ax-cnex 8276 ax-resscn 8277 ax-1cn 8278 ax-1re 8279 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-mulrcl 8284 ax-addcom 8285 ax-mulcom 8286 ax-addass 8287 ax-mulass 8288 ax-distr 8289 ax-i2m1 8290 ax-0lt1 8291 ax-1rid 8292 ax-0id 8293 ax-rnegex 8294 ax-precex 8295 ax-cnre 8296 ax-pre-ltirr 8297 ax-pre-ltwlin 8298 ax-pre-lttrn 8299 ax-pre-apti 8300 ax-pre-ltadd 8301 ax-pre-mulgt0 8302 ax-pre-mulext 8303 |
| This proof depends on definitions: df-bi 117 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3639 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4132 df-opab 4194 df-mpt 4195 df-tr 4232 df-id 4440 df-po 4443 df-iso 4444 df-iord 4513 df-on 4515 df-ilim 4516 df-suc 4518 df-iom 4740 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-fo 5386 df-f1o 5387 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-1st 6378 df-2nd 6379 df-recs 6580 df-irdg 6645 df-frec 6666 df-1o 6691 df-oadd 6695 df-er 6811 df-map 6928 df-en 7027 df-dom 7028 df-fin 7029 df-pnf 8368 df-mnf 8369 df-xr 8370 df-ltxr 8371 df-le 8372 df-sub 8506 df-neg 8507 df-reap 8911 df-ap 8918 df-div 9011 df-inn 9314 df-n0 9575 df-z 9656 df-uz 9938 df-fz 10429 df-seqfrec 10906 df-exp 10997 df-ihash 11237 |
| This theorem is used by: hashpwfi 11291 birthdaylem2 16226 |
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