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Theorem iscol3 26094
 Description: Collinear points are points. (For my private use only. Don't use.) (Contributed by FL, 20-May-2016.)
Hypotheses
Ref Expression
iscola2.1 Ig
iscola3.2 coln
iscola3.3 PPoints
Assertion
Ref Expression
iscol3
Distinct variable groups:   ,   ,
Allowed substitution hints:   ()   ()

Proof of Theorem iscol3
Dummy variable is distinct from all other variables.
StepHypRef Expression
1 iscola3.2 . 2 coln
2 iscola2.1 . . . . 5 Ig
32, 1iscol2 26093 . . . 4 coln PLines
4 eqid 2283 . . . . . . . . . 10 PPoints PPoints
5 eqid 2283 . . . . . . . . . 10 PLines PLines
62adantr 451 . . . . . . . . . 10 PLines Ig
7 simpr 447 . . . . . . . . . 10 PLines PLines
84, 5, 6, 7isig12 26064 . . . . . . . . 9 PLines PPoints
9 iscola3.3 . . . . . . . . . . . 12 PPoints
10 sstr 3187 . . . . . . . . . . . 12 PPoints PPoints
11 sseq2 3200 . . . . . . . . . . . . 13 PPoints PPoints
12 dfss3 3170 . . . . . . . . . . . . . . 15
1312a1i 10 . . . . . . . . . . . . . 14
1413biimpcd 215 . . . . . . . . . . . . 13
1511, 14syl6bir 220 . . . . . . . . . . . 12 PPoints PPoints
169, 10, 15mpsyl 59 . . . . . . . . . . 11 PPoints
1716ex 423 . . . . . . . . . 10 PPoints
1817com3l 75 . . . . . . . . 9 PPoints
198, 18syl 15 . . . . . . . 8 PLines
2019ex 423 . . . . . . 7 PLines
2120pm2.43a 45 . . . . . 6 PLines
2221com3l 75 . . . . 5 PLines
2322rexlimiv 2661 . . . 4 PLines
243, 23syl6bi 219 . . 3 coln
2524pm2.43a 45 . 2 coln
261, 25mpd 14 1
 Colors of variables: wff set class Syntax hints:   wi 4   wb 176   wa 358   wceq 1623   wcel 1684  wral 2543  wrex 2544   wss 3152  cfv 5255  PPointscpoints 26056  PLinescplines 26058  Igcig 26060  colnccol 26090 This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1533  ax-5 1544  ax-17 1603  ax-9 1635  ax-8 1643  ax-13 1686  ax-14 1688  ax-6 1703  ax-7 1708  ax-11 1715  ax-12 1866  ax-ext 2264  ax-rep 4131  ax-sep 4141  ax-nul 4149  ax-pow 4188  ax-pr 4214  ax-un 4512 This theorem depends on definitions:  df-bi 177  df-or 359  df-an 360  df-3an 936  df-tru 1310  df-ex 1529  df-nf 1532  df-sb 1630  df-eu 2147  df-mo 2148  df-clab 2270  df-cleq 2276  df-clel 2279  df-nfc 2408  df-ne 2448  df-ral 2548  df-rex 2549  df-reu 2550  df-rab 2552  df-v 2790  df-sbc 2992  df-csb 3082  df-dif 3155  df-un 3157  df-in 3159  df-ss 3166  df-nul 3456  df-if 3566  df-pw 3627  df-sn 3646  df-pr 3647  df-op 3649  df-uni 3828  df-iun 3907  df-br 4024  df-opab 4078  df-mpt 4079  df-id 4309  df-xp 4695  df-rel 4696  df-cnv 4697  df-co 4698  df-dm 4699  df-rn 4700  df-res 4701  df-ima 4702  df-iota 5219  df-fun 5257  df-fn 5258  df-f 5259  df-f1 5260  df-fo 5261  df-f1o 5262  df-fv 5263  df-ig2 26061  df-col 26091
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