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| Mirrors > Home > ILE Home > Th. List > simp1r | GIF version | ||
| Description: Simplification of triple conjunction. (Contributed by NM, 9-Nov-2011.) |
| Ref | Expression |
|---|---|
| simp1r | ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃) → 𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpr 110 | . 2 ⊢ ((𝜑 ∧ 𝜓) → 𝜓) | |
| 2 | 1 | 3ad2ant1 1049 | 1 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒 ∧ 𝜃) → 𝜓) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 ∧ w3a 1009 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This proof depends on definitions: df-bi 117 df-3an 1011 |
| This theorem is used by: simpl1r 1080 simpr1r 1086 simp11r 1140 simp21r 1146 simp31r 1152 vtoclgft 2873 en2lp 4703 funprg 5434 nnsucsssuc 6770 ecopovtrn 6911 ecopovtrng 6914 addassnqg 7756 distrnqg 7761 ltsonq 7772 ltanqg 7774 ltmnqg 7775 distrnq0 7833 addassnq0 7836 prarloclem5 7874 recexprlem1ssl 8007 recexprlem1ssu 8008 mulasssrg 8132 distrsrg 8133 lttrsr 8136 ltsosr 8138 ltasrg 8144 mulextsr1lem 8154 mulextsr1 8155 axmulass 8247 axdistr 8248 dmdcanap 9061 lt2msq1 9224 lediv2 9230 xaddass2 10289 xlt2add 10299 modqdi 10850 expaddzaplem 11040 expaddzap 11041 expmulzap 11043 swrdspsleq 11461 pfxeq 11490 bdtrilem 12030 xrbdtri 12067 bitsfzo 12747 prmexpb 12955 4sqlem18 13216 mgmsscl 13740 subgabl 14226 rng1zrlem 14365 cnptoprest 15498 ssblps 15684 ssbl 15685 rplogbchbase 16219 rplogbreexp 16222 relogbcxpbap 16234 lgssq 16397 uhgr2edg 16685 |
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