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| Description: Addition of positive reals is associative. Proposition 9-3.5(i) of [Gleason] p. 123. |
| Ref | Expression |
|---|---|
| addasspr.1 |
|
| addasspr.2 |
|
| Ref | Expression |
|---|---|
| addasspr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-plp 5088 |
. 2
| |
| 2 | addasspr.1 |
. 2
| |
| 3 | addasspr.2 |
. 2
| |
| 4 | dmplp 5115 |
. 2
| |
| 5 | addclpr 5120 |
. 2
| |
| 6 | visset 1813 |
. . 3
| |
| 7 | visset 1813 |
. . 3
| |
| 8 | 6, 7 | addasspq 5063 |
. 2
|
| 9 | 1, 2, 3, 4, 5, 8 | genpass 5112 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ltaprlem 5150 enrer 5176 addcmpblnr 5181 mulcmpblnrlem 5182 ltsrpr 5186 addasssr 5197 mulasssr 5199 distrsr 5200 m1p1sr 5201 m1m1sr 5202 ltsosr 5203 0idsr 5206 1idsr 5207 ltasr 5209 recexsrlem 5212 mulgt0sr 5214 mappsrpr 5218 map2psrpr 5220 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-9 965 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-rep 2693 ax-sep 2703 ax-nul 2710 ax-pow 2742 ax-pr 2779 ax-un 2866 ax-inf2 4625 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 776 df-3an 777 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1587 df-ral 1649 df-rex 1650 df-reu 1651 df-rab 1652 df-v 1812 df-sbc 1942 df-csb 2002 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-pss 2055 df-nul 2281 df-if 2362 df-pw 2402 df-sn 2412 df-pr 2413 df-tp 2415 df-op 2416 df-uni 2504 df-int 2534 df-iun 2568 df-br 2620 df-opab 2667 df-tr 2681 df-eprel 2832 df-id 2835 df-po 2840 df-so 2850 df-fr 2917 df-we 2934 df-ord 2951 df-on 2952 df-lim 2953 df-suc 2954 df-om 3132 df-xp 3184 df-rel 3185 df-cnv 3186 df-co 3187 df-dm 3188 df-rn 3189 df-res 3190 df-ima 3191 df-fun 3192 df-fn 3193 df-f 3194 df-fv 3198 df-rdg 3932 df-opr 3965 df-oprab 3966 df-1st 4079 df-2nd 4080 df-1o 4133 df-oadd 4135 df-omul 4136 df-er 4261 df-ec 4263 df-qs 4266 df-ni 5000 df-pli 5001 df-mi 5002 df-lti 5003 df-plpq 5035 df-mpq 5036 df-enq 5037 df-nq 5038 df-plq 5039 df-mq 5040 df-rq 5041 df-ltq 5042 df-1q 5043 df-np 5086 df-plp 5088 |